{"cik":864683,"entityName":"CYBERONICS INC","facts":{"dei":{"EntityCommonStockSharesOutstanding":{"label":"Entity Common Stock, Shares Outstanding","description":"Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.","units":{"shares":[{"end":"2011-08-22","val":27975601,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q3I"},{"end":"2011-11-15","val":27619352,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q4I"},{"end":"2012-02-21","val":27539249,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2012Q1I"},{"end":"2012-06-11","val":27393584,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2012Q2I"},{"end":"2012-08-23","val":27588794,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q3I"},{"end":"2012-11-13","val":27720469,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2013-02-19","val":27635851,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2013Q1I"},{"end":"2013-06-11","val":27484154,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q2I"},{"end":"2013-08-16","val":27340199,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q3I"},{"end":"2013-11-18","val":26980307,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q4I"},{"end":"2014-02-17","val":26834053,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2014Q1I"},{"end":"2014-06-05","val":26673565,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q2I"},{"end":"2014-08-18","val":26624906,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q3I"},{"end":"2014-11-17","val":26312825,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q4I"},{"end":"2015-02-23","val":26032937,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2015Q1I"},{"end":"2015-06-09","val":26012364,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q2I"},{"end":"2015-08-17","val":26000450,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q3I"}]}},"EntityPublicFloat":{"label":"Entity Public Float","description":"The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.","units":{"USD":[{"end":"2011-10-28","val":484300000,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q3I"},{"end":"2012-10-26","val":819700000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q3I"},{"end":"2013-10-25","val":1012700000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q3I"},{"end":"2014-10-24","val":930300000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q3I"}]}}},"us-gaap":{"AccountsPayableCurrent":{"label":"Accounts Payable, Current","description":"Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2011-04-29","val":4121586,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":4121586,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":4121586,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":4121586,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":3910851,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":4627905,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":4172745,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":4886448,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":4886448,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":4886448,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":4886448,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":4886448,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":4307537,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":5398757,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":4562331,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":8025512,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":8025512,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":8025512,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":8025512,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":8025512,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":5444387,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":6558898,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":5126384,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":7569784,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":7569784,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":7569784,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":7569784,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":7569784,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":6034196,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":6400193,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":7673604,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":7251213,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":7251213,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":5792435,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"AccountsReceivableGrossCurrent":{"label":"Accounts Receivable, before Allowance for Credit Loss, Current","description":"Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.","units":{"USD":[{"end":"2012-04-27","val":29851433,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":29851433,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":29851433,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":29851433,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":32363843,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":37209551,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":36183359,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":39998483,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":39998483,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":39998483,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":39998483,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":39998483,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":40702937,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":43006454,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":42966791,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":51358991,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":51358991,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":51358991,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":51358991,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":51358991,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":48942426,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":49015706,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":47837801,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":51233576,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":51233576,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":55758824,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"AccountsReceivableNetCurrent":{"label":"Accounts Receivable, after Allowance for Credit Loss, Current","description":"Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.","units":{"USD":[{"end":"2011-04-29","val":28578622,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":28578622,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":28578622,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":28578622,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":29730040,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":30130053,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":26897301,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":29266847,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":29266847,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":29266847,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":29266847,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":29266847,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":31756804,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":36882532,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":35690855,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":39450113,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":39450113,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":39450113,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":39450113,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":39450113,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":39927966,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":42250118,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":42114762,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":50674041,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":50674041,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":50674041,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":50674041,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":50674041,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":48297114,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":48458442,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":47259762,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":50569375,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":50569375,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":54991188,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"AccrualForTaxesOtherThanIncomeTaxesCurrent":{"label":"Accrual for Taxes Other than Income Taxes, Current","description":"Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2013-04-26","val":550697,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":550697,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q1I"},{"end":"2013-10-25","val":1103278,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":1953927,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":601704,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":601704,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q1I"},{"end":"2014-07-25","val":4196613,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":2838070,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"}]}},"AccruedIncomeTaxesCurrent":{"label":"Accrued Income Taxes, Current","description":"Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations.","units":{"USD":[{"end":"2012-04-27","val":1011457,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-04-27","val":1011457,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":1011457,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":1011457,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-07-27","val":1576965,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":829893,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":568771,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":550697,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q1I"},{"end":"2013-04-26","val":550697,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-07-26","val":1479502,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"}]}},"AccruedLiabilitiesCurrent":{"label":"Accrued Liabilities, Current","description":"Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2011-04-29","val":17964507,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":17964507,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":17964507,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":17964507,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":12401329,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":14618466,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":14629065,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":18146188,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":18146188,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":18146188,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":18146188,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":18146188,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":14671364,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":18653060,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":17095866,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":20999966,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":20999966,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":20999966,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":20999966,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":20999966,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":14343322,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":18528137,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":18862732,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":22327913,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":22327913,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":22327913,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":22327913,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":22327913,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":18116272,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":18849223,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":18611791,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":24197963,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":24197963,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":30510268,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"AccruedSalariesCurrent":{"label":"Accrued Salaries, Current","description":"Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2012-04-27","val":14540169,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":14540169,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":14540169,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":14540169,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":10297670,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":12635830,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":12915163,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":16869112,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":16869112,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":16869112,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":16869112,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":16869112,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":9540854,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":13558247,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":11601255,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":16957216,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":16957216,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":16957216,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q1I"},{"end":"2014-07-25","val":9866652,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":12277108,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"}]}},"AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment":{"label":"Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment","description":"Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.","units":{"USD":[{"end":"2011-04-29","val":25365175,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":25365175,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":25365175,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q1I"},{"end":"2011-07-29","val":25605501,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":26244002,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":26916537,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":27831638,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":27831638,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":27831638,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":27831638,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":28679635,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":29661277,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":30469657,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":30267869,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":30267869,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":30267869,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":30267869,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":30267869,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":31250168,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":31841657,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":31843072,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":32953770,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":32953770,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":32953770,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":32953770,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":32953770,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":34111757,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":35246413,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":34526670,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":35425055,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":35425055,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":36667306,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"AccumulatedDepreciationDepletionAndAmortizationWritedownOfPropertyPlantAndEquipment":{"label":"Accumulated Depreciation, Depletion and Amortization, Write-down of Property, Plant and Equipment (Deprecated 2013-01-31)","description":"The decrease in accumulated depreciation, depletion and amortization (relating to property, plant and equipment) as a result of write-downs of property, plant and equipment.","units":{"USD":[{"start":"2011-10-29","end":"2012-01-27","val":76800,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-04-30","end":"2012-04-27","val":76800,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011"}]}},"AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax":{"label":"Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax","description":"Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.","units":{"USD":[{"end":"2011-04-29","val":-571485,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":-571485,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":-571485,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":-571485,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":-407186,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":-293340,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":389355,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":421801,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":421801,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":421801,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":421801,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":421801,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":-257993,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":133615,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":481410,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":167977,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":167977,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":167977,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":167977,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":167977,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":176429,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":605358,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":409027,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":454850,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":454850,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":454850,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":454850,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":454850,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":363970,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":-746766,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":-2923975,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":-3400770,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":-3400770,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":-3236710,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"AdditionalPaidInCapitalCommonStock":{"label":"Additional Paid in Capital, Common Stock","description":"Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.","units":{"USD":[{"end":"2011-04-29","val":300580501,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":300580501,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":300580501,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":300580501,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":303637276,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":307068015,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":310793740,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":321960886,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":321960886,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":321960886,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":321960886,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":321960886,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":331875648,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":351141020,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":373298174,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":380158961,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":380158961,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":380158961,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":380158961,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":380158961,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":389513825,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":401824608,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":413435737,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":426866998,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":426866998,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":426866998,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":426866998,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":426866998,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":432443785,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":437136182,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":441592043,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":445362045,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":445362045,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":451618047,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation":{"label":"Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation","description":"Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit.","units":{"USD":[{"start":"2012-04-28","end":"2013-04-26","val":12361561,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":12361561,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":12361561,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":27073485,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":27073485,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":4530754,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"AllocatedShareBasedCompensationExpense":{"label":"Share-based Payment Arrangement, Expense","description":"Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.","units":{"USD":[{"start":"2012-04-28","end":"2013-04-26","val":11683249,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-26","end":"2014-01-24","val":8392443,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-10-26","end":"2014-01-24","val":2643075,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":11239987,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":3512443,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2015-01-23","val":9446537,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":3251645,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":11939894,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":3108138,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"AllocatedShareBasedCompensationExpenseNetOfTax":{"label":"Share-based Payment Arrangement, Expense, after Tax","description":"Amount, after tax, of expense for award under share-based payment arrangement.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":4372695,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":7640784,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":7640784,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":3735568,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":5055715,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":1360065,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":6329744,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":1234076,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":7873113,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":7873113,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":7873113,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":2388261,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":2388261,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":4004030,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":4004030,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":1615769,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":1615769,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":5645299,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":5645299,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":1641269,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":1641269,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":7496004,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":7496004,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":2652625,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":2652625,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":4362458,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":1709833,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"},{"start":"2014-04-26","end":"2015-01-23","val":6440130,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":2077672,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":7996121,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":2572589,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"AllowanceForDoubtfulAccountsReceivableCurrent":{"label":"Accounts Receivable, Allowance for Credit Loss, Current","description":"Amount of allowance for credit loss on accounts receivable, classified as current.","units":{"USD":[{"end":"2011-04-29","val":696744,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":696744,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":696744,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q1I"},{"end":"2011-07-29","val":907272,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":820113,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":839388,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":584586,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":584586,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":584586,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":584586,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":607039,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":327019,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":492504,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":548370,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":548370,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":548370,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":548370,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":548370,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":774971,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":756336,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":852029,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":684950,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":684950,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":684950,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":684950,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":684950,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":645312,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":557264,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":578039,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":664201,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":664201,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":767636,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"AmortizationOfIntangibleAssets":{"label":"Amortization of Intangible Assets","description":"The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":373070,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":158649,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":188268,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":282662,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":520018,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":554809,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":132978,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":196016,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":-86477,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":385256,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":1165364,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":1056917,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":1253725,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":1228245,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":1228245,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":198471,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":198471,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":415850,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":415850,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":633229,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":633229,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":867613,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":867613,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":867613,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":346162,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":346162,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":666997,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":666997,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":969047,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":969047,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":1314309,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":1314309,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":324712,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":324712,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":561592,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-04-26","end":"2015-01-23","val":801187,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":1486450,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":256772,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"AssetImpairmentCharges":{"label":"Asset Impairment Charges","description":"Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.","units":{"USD":[{"start":"2014-04-26","end":"2015-04-24","val":781000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"Assets":{"label":"Assets","description":"Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.","units":{"USD":[{"end":"2011-04-29","val":211469205,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":211469205,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":211469205,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":211469205,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":199901869,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":197691327,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":197814442,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":211908195,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":211908195,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":211908195,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":211908195,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":211908195,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":212828397,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":233528977,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":250410287,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":264043310,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":264043310,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":264043310,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":264043310,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":264043310,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":265798765,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":265682604,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":269181993,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":294191394,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":294191394,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":294191394,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":294191394,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":294191394,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":289923233,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":296747726,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":301387066,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":315944195,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":315944195,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":338227386,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"AssetsCurrent":{"label":"Assets, Current","description":"Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.","units":{"USD":[{"end":"2011-04-29","val":151600176,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":151600176,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":151600176,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":151600176,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":142128640,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":129521012,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":134993672,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":161102911,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":161102911,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":161102911,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":161102911,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":161102911,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":163621945,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":179891952,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":193751927,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":207358343,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":207358343,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":207358343,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":207358343,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":207358343,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":203668776,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":198772644,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":197716613,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":220431202,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":220431202,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":220431202,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":220431202,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":220431202,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":215097909,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":221773736,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":225020215,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":240720970,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":240720970,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":263614931,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"AssetsFairValueDisclosure":{"label":"Assets, Fair Value Disclosure","description":"Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.","units":{"USD":[{"end":"2013-01-25","val":1450000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q4I"},{"end":"2013-01-25","val":1450000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"}]}},"AssetsFairValueDisclosureRecurring":{"label":"Assets, Fair Value Disclosure, Recurring (Deprecated 2018-01-31)","description":"This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.","units":{"USD":[{"end":"2014-04-25","val":542000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q1I"},{"end":"2014-10-24","val":867000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"}]}},"AvailableForSaleSecuritiesDebtSecurities":{"label":"Debt Securities, Available-for-sale","description":"Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"end":"2010-04-30","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010Q1I"},{"end":"2011-04-29","val":5209590,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2011-04-29","val":5209590,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011Q1I"},{"end":"2012-04-27","val":5508768,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":5508768,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":5508768,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":5508768,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2012-04-27","val":5508768,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2012-04-27","val":5508768,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2012-04-27","val":5508768,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2012-04-27","val":5508768,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012Q1I"},{"end":"2012-07-27","val":1450000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-07-27","val":1450000,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2I"},{"end":"2012-10-26","val":1450000,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-10-26","val":1450000,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3I"},{"end":"2013-01-25","val":1450000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2013-01-25","val":1450000,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4I"},{"end":"2013-04-26","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":0,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"}]}},"AvailableForSaleSecuritiesDebtSecuritiesNoncurrent":{"label":"Debt Securities, Available-for-sale, Noncurrent","description":"Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as noncurrent.","units":{"USD":[{"end":"2011-04-29","val":5209590,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-04-29","val":5209590,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":5209590,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":5209590,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-07-29","val":5284384,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":9359179,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":9433974,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":9508768,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2012Q1I"}]}},"BusinessAcquisitionCostOfAcquiredEntityPurchasePrice":{"label":"Business Acquisition, Cost of Acquired Entity, Purchase Price (Deprecated 2013-01-31)","description":"The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.","units":{"USD":[{"end":"2012-04-27","val":11700000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"}]}},"BusinessAcquisitionPercentageOfVotingInterestsAcquired":{"label":"Business Acquisition, Percentage of Voting Interests Acquired","description":"Percentage of voting equity interests acquired at the acquisition date in the business combination.","units":{"pure":[{"end":"2015-04-24","val":0.54,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"BusinessCombinationAcquisitionRelatedCosts":{"label":"Business Combination, Acquisition Related Costs","description":"This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.","units":{"USD":[{"start":"2014-04-26","end":"2014-07-25","val":0,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2015-04-24","val":8692072,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":6548842,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"CapitalExpendituresIncurredButNotYetPaid":{"label":"Capital Expenditures Incurred but Not yet Paid","description":"Future cash outflow to pay for purchases of fixed assets that have occurred.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":134388,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":129918,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":-191180,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":-239733,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":-269624,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":1234886,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":290703,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2"},{"start":"2013-04-27","end":"2013-10-25","val":775444,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":980100,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"}]}},"CashAndCashEquivalentsAtCarryingValue":{"label":"Cash and Cash Equivalents, at Carrying Value","description":"Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.","units":{"USD":[{"end":"2009-04-24","val":66225479,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009Q1I"},{"end":"2010-04-30","val":59229911,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2010-04-30","val":59229911,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2010-04-30","val":59229911,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2010-04-30","val":59229911,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2010-04-30","val":59229911,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010Q1I"},{"end":"2010-07-30","val":56651778,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2I"},{"end":"2010-10-29","val":67908693,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2010Q3I"},{"end":"2011-01-28","val":85273721,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2010Q4I"},{"end":"2011-04-29","val":89313850,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":89313850,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":89313850,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":89313850,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2011-04-29","val":89313850,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2011-04-29","val":89313850,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2011-04-29","val":89313850,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2011-04-29","val":89313850,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2011-04-29","val":89313850,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011Q1I"},{"end":"2011-07-29","val":81610395,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-07-29","val":81610395,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2I"},{"end":"2011-10-28","val":69830955,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-10-28","val":69830955,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3I"},{"end":"2012-01-27","val":78136731,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2012-01-27","val":78136731,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4I"},{"end":"2012-04-27","val":96654275,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":96654275,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":96654275,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":96654275,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":96654275,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2012-04-27","val":96654275,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2012-04-27","val":96654275,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2012-04-27","val":96654275,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2012-04-27","val":96654275,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2012-04-27","val":96654275,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012Q1I"},{"end":"2012-07-27","val":102292023,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-07-27","val":102292023,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2I"},{"end":"2012-10-26","val":118498359,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-10-26","val":118498359,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3I"},{"end":"2013-01-25","val":116531170,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2013-01-25","val":116531170,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4I"},{"end":"2013-04-25","val":120708572,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2013-04-25","val":120708572,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q1I"},{"end":"2013-04-26","val":120708572,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":120708572,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":120708572,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":120708572,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":120708572,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2013-04-26","val":120708572,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2013-04-26","val":120708572,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2013-07-26","val":106321835,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-07-26","val":106321835,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2I"},{"end":"2013-10-25","val":97736577,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-10-25","val":97736577,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3I"},{"end":"2014-01-24","val":91600036,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2014-01-24","val":91600036,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-04-25","val":103299116,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":103299116,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":103299116,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":103299116,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":103299116,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2014-04-25","val":103299116,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q1I"},{"end":"2014-07-25","val":107679362,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-07-25","val":107679362,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2I"},{"end":"2014-10-24","val":116841551,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":116214079,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":124187094,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":124187094,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":162358675,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"CashAndCashEquivalentsPeriodIncreaseDecrease":{"label":"Cash and Cash Equivalents, Period Increase (Decrease)","description":"Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":-6995568,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":-2578133,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":8678782,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":26043810,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":30083939,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":30083939,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":-7703455,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":-7703455,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":-19482895,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":-19482895,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":-11177119,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":-11177119,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":7340425,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":7340425,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":7340425,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":5637748,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":5637748,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":21844084,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":21844084,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":19876895,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":19876895,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":24054297,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":24054297,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":24054297,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":-14386737,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":-14386737,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":-22971995,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":-22971995,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":-29108536,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":-29108536,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":-17409456,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":-17409456,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":4380246,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":4380246,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":13542435,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-04-26","end":"2015-01-23","val":12914963,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":20887978,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":38171581,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"CashEquivalentsAtCarryingValue":{"label":"Cash Equivalents, at Carrying Value","description":"Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.","units":{"USD":[{"end":"2013-04-26","val":0,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q1I"},{"end":"2014-01-24","val":1400000,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"}]}},"CashSurrenderValueOfLifeInsurance":{"label":"Cash Surrender Value of Life Insurance","description":"Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity.","units":{"USD":[{"end":"2014-04-25","val":500000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":1200000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights":{"label":"Class of Warrant or Right, Exercise Price of Warrants or Rights (Deprecated 2014-01-31)","description":"Exercise price per share or per unit of warrants or rights outstanding.","units":{"USD/item":[{"end":"2005-09-27","val":50,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2005-09-27","val":50,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2005-09-27","val":50,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2005-09-30","val":50,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2005-09-30","val":50,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2005-09-30","val":50,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2005-09-30","val":50,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2005Q3I"},{"end":"2013-01-25","val":50,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"}],"USD/shares_unit":[{"end":"2012-07-27","val":50,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":50,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"}]}},"ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1":{"label":"Class of Warrant or Right, Exercise Price of Warrants or Rights","description":"Exercise price per share or per unit of warrants or rights outstanding.","units":{"USD/shares":[{"end":"2005-09-30","val":50,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2005Q3I"}]}},"ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights":{"label":"Class of Warrant or Right, Number of Securities Called by Warrants or Rights","description":"Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.","units":{"shares":[{"end":"2005-09-27","val":3012050,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2005-09-27","val":3012050,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2005-09-30","val":3012050,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2005-09-30","val":3012050,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2005-09-30","val":3012050,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2005Q3I"},{"end":"2012-07-27","val":3012050,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":3012050,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":3012050,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"}]}},"CommonStockParOrStatedValuePerShare":{"label":"Common Stock, Par or Stated Value Per Share","description":"Face amount or stated value per share of common stock.","units":{"USD/shares":[{"end":"2011-04-29","val":0.01,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":0.01,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":0.01,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":0.01,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":0.01,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":0.01,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":0.01,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":0.01,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":0.01,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":0.01,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":0.01,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":0.01,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":0.01,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":0.01,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":0.01,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":0.01,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":0.01,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":0.01,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":0.01,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":0.01,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":0.01,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":0.01,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":0.01,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":0.01,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":0.01,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":0.01,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":0.01,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":0.01,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":0.01,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":0.01,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":0.01,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":0.01,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":0.01,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":0.01,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"CommonStockSharesAuthorized":{"label":"Common Stock, Shares Authorized","description":"The maximum number of common shares permitted to be issued by an entity's charter and bylaws.","units":{"shares":[{"end":"2011-04-29","val":50000000,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":50000000,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":50000000,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":50000000,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":50000000,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":50000000,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":50000000,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":50000000,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":50000000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":50000000,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":50000000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":50000000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":50000000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":50000000,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":50000000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":50000000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":50000000,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":50000000,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":50000000,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":50000000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":50000000,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":50000000,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":50000000,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":50000000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":50000000,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":50000000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":50000000,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":50000000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":50000000,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":50000000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":50000000,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":50000000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":50000000,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":50000000,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"CommonStockSharesIssued":{"label":"Common Stock, Shares, Issued","description":"Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.","units":{"shares":[{"end":"2011-04-29","val":29712007,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":29712007,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":29712007,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":29712007,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":30096927,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":30246029,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":30359275,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":30638605,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":30638605,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":30638605,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":30638605,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":30638605,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":30993853,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":31138057,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":31238945,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":31288540,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":31288540,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":31288540,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":31288540,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":31288540,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":31517018,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":31632362,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":31756151,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":31819678,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":31819678,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":31819678,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":31819678,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":31819678,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":31971986,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":32020569,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":32041822,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":32054236,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":32054236,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":32094186,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"CommonStockSharesOutstanding":{"label":"Common Stock, Shares, Outstanding","description":"Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.","units":{"shares":[{"end":"2011-04-29","val":28276715,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":28276715,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":28276715,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":28276715,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":28132815,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":27636550,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":27566955,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":27529320,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":27529320,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":27529320,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":27529320,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":27529320,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":27584644,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":27720469,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":27701851,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":27472854,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":27472854,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":27472854,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":27472854,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":27472854,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":27452567,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":27087807,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":26878753,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":26745713,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":26745713,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":26745713,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":26745713,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":26745713,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":26667018,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":26435349,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":26127754,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":25996102,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":25996102,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":25999942,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"CommonStockValue":{"label":"Common Stock, Value, Issued","description":"Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.","units":{"USD":[{"end":"2011-04-29","val":297120,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":297120,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":297120,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":297120,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":300969,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":302460,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":303593,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":306386,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":306386,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":306386,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":306386,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":306386,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":309939,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":311380,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":312389,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":312885,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":312885,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":312885,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":312885,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":312885,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":315170,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":316324,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":317562,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":318197,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":318197,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":318197,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":318197,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":318197,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":319760,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":320206,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":320418,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":320542,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":320542,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":320942,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"ComprehensiveIncomeNetOfTax":{"label":"Comprehensive Income (Loss), Net of Tax, Attributable to Parent","description":"Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":78622929,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2011-04-29","val":46218022,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":46218022,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":7048853,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":16190473,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":9141620,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":26375352,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":10184879,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-04-30","end":"2012-04-27","val":37071018,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":37071018,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":37071018,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":7395238,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":7395238,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":21353750,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":21353750,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":13958512,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":13958512,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":34885039,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":34885039,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":13531290,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":13531290,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":46103678,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":46103678,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":46103678,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":8682378,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":8682378,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":22999769,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":22999769,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":14317390,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":14317390,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":36703301,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":36703301,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":13703532,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":13703532,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":55177130,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":55177130,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":13427942,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":13427942,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":29590396,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":16162454,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"},{"start":"2014-04-26","end":"2015-01-23","val":43954647,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":14364252,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":53991914,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":12583228,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"ConvertibleDebt":{"label":"Convertible Debt","description":"Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.","units":{"USD":[{"end":"2005-09-30","val":125,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2005-09-30","val":125000000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2005Q3I"}]}},"ConvertibleDebtCurrent":{"label":"Convertible Debt, Current","description":"The portion of the carrying value of long-term convertible debt as of the balance sheet date that is scheduled to be repaid within one year or in the normal operating cycle if longer. Convertible debt is a financial instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.","units":{"USD":[{"end":"2011-04-29","val":7048000,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-04-29","val":7048000,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":7048000,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":7048000,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-07-29","val":7048000,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":7048000,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":4000,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":4000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-04-27","val":4000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":4000,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":4000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":4000,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-07-27","val":4000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"}]}},"CostMethodInvestments":{"label":"Cost Method Investments","description":"Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments.","units":{"USD":[{"end":"2012-04-27","val":4000000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-04-26","val":10588202,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"}]}},"CostMethodInvestmentsOriginalCost":{"label":"Cost Method Investments, Original Cost","description":"Original amount of cost-method investments at the acquisition date.","units":{"USD":[{"end":"2014-04-25","val":15944427,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":15944427,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-01-23","val":17126927,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":17126927,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":17126927,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":15062643,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"CostOfGoodsAndServicesSold":{"label":"Cost of Goods and Services Sold","description":"The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":20907595,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":5462202,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":11013472,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-07-31","end":"2010-10-29","val":5551269,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2010Q3"},{"start":"2010-05-01","end":"2011-01-28","val":16820874,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-10-30","end":"2011-01-28","val":5807402,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2010Q4"},{"start":"2010-05-01","end":"2011-04-29","val":23020032,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":23020032,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":6922034,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":6922034,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":11082699,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":11082699,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":4160664,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-07-30","end":"2011-10-28","val":4160664,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":15182188,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":15182188,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":4099489,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-10-30","end":"2012-01-27","val":4099489,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":19656332,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":19656332,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":19656332,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":5011177,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":5011177,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":10180981,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":10180981,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":5169804,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":5169804,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":15548199,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":15548199,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":5367218,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":5367218,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":21907264,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":21907264,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":21907264,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":6544033,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":6544033,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":13470139,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":13470139,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":6926106,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":6926106,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":19930287,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":19930287,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":6460148,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":6460148,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":27354891,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":27354891,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":6410392,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":6410392,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":13176264,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":6765872,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"},{"start":"2014-04-26","end":"2015-01-23","val":19716131,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":6539867,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":27310869,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":9433096,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"CurrentFederalTaxExpenseBenefit":{"label":"Current Federal Tax Expense (Benefit)","description":"Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":242547,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":779690,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":779690,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":13987217,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":13987217,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":13987217,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":26537978,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":26537978,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":17102321,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"CurrentForeignTaxExpenseBenefit":{"label":"Current Foreign Tax Expense (Benefit)","description":"Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":64822,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":125738,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":125738,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":101281,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":101281,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":101281,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":103749,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":103749,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":1064630,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"CurrentIncomeTaxExpenseBenefit":{"label":"Current Income Tax Expense (Benefit)","description":"Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":837458,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":1677441,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":1677441,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":15780617,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":15780617,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":15780617,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":29892647,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":29892647,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":22169221,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"CurrentStateAndLocalTaxExpenseBenefit":{"label":"Current State and Local Tax Expense (Benefit)","description":"Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":530089,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":772013,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":772013,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":1692119,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":1692119,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":1692119,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":3250920,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":3250920,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":4002270,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"DebtInstrumentConvertibleEffectiveInterestRate":{"label":"Debt Instrument, Convertible, Effective Interest Rate (Deprecated 2013-01-31)","description":"The effective interest rate on the liability component of convertible debt instrument which may be settled in cash upon conversion, including partial cash settlement.","units":{"pure":[{"start":"2005-09-01","end":"2005-09-30","val":0.03,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"}]}},"DebtInstrumentInterestRateDuringPeriod":{"label":"Debt Instrument, Interest Rate During Period","description":"The average effective interest rate during the reporting period.","units":{"pure":[{"start":"2012-04-28","end":"2013-01-25","val":0.06,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"}]}},"DebtInstrumentInterestRateStatedPercentage":{"label":"Debt Instrument, Interest Rate, Stated Percentage","description":"Contractual interest rate for funds borrowed, under the debt agreement.","units":{"pure":[{"end":"2005-09-30","val":0.03,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2005Q3I"}]}},"DeferredCompensationArrangementWithIndividualCashAwardsGrantedPercentage":{"label":"Deferred Compensation Arrangement with Individual, Cash Awards Granted, Percentage","description":"Commitment made to pay deferred cash remuneration expressed as a percentage of the individual's base salary.","units":{"pure":[{"start":"2012-04-28","end":"2013-01-25","val":0.5,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"}]}},"DeferredCompensationArrangementWithIndividualCompensationExpense":{"label":"Deferred Compensation Arrangement with Individual, Compensation Expense","description":"The compensation expense recognized during the period pertaining to the deferred compensation arrangement.","units":{"USD":[{"start":"2013-04-26","end":"2014-01-24","val":7000,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-04-25","val":22000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":49000,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":19688,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2015-01-23","val":56000,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":76000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":33107,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"DeferredCompensationArrangementWithIndividualEmployerContribution":{"label":"Deferred Compensation Arrangement with Individual, Employer Contribution (Deprecated 2017-01-31)","description":"The amount of payment into the fund established for purposes of making future disbursements to the individual in accordance with the terms and understanding of the deferred compensation arrangement.","units":{"USD":[{"start":"2013-04-26","end":"2013-10-25","val":0,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-04-26","end":"2014-10-24","val":36000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"}]}},"DeferredCompensationLiabilityClassifiedNoncurrent":{"label":"Deferred Compensation Liability, Classified, Noncurrent","description":"Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer).","units":{"USD":[{"end":"2013-04-26","val":100000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2014-04-25","val":500000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":500000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":482405,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":482405,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":900000,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":1000000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":1142161,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":1311194,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":1311194,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":1659496,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"DeferredCompensationPlanAssets":{"label":"Deferred Compensation Plan Assets","description":"Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.","units":{"USD":[{"end":"2014-04-25","val":500000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":542000,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q1I"},{"end":"2015-01-23","val":1038000,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":1200000,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":1700000,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"DeferredFederalIncomeTaxExpenseBenefit":{"label":"Deferred Federal Income Tax Expense (Benefit)","description":"Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":18254023,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":21583269,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":21583269,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":13066858,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":13066858,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":13066858,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":-577992,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":-577992,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":8954669,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"DeferredForeignIncomeTaxExpenseBenefit":{"label":"Deferred Foreign Income Tax Expense (Benefit)","description":"Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2013-04-27","end":"2014-04-25","val":-3533674,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":-3533674,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":833755,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"DeferredIncomeTaxExpenseBenefit":{"label":"Deferred Income Tax Expense (Benefit)","description":"Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":1101763,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":22666255,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":22666255,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":13136506,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":13136506,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":22421044,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-26","end":"2014-01-24","val":-1053779,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-04-25","val":-4904208,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":-5200888,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":3402023,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2015-01-23","val":6625892,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":9399511,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":-1384639,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"DeferredIncomeTaxLiabilities":{"label":"Deferred Tax Liabilities, Gross","description":"Amount of deferred tax liability attributable to taxable temporary differences.","units":{"USD":[{"end":"2012-04-27","val":470813,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-04-26","val":923615,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":923615,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-04-25","val":2579490,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":2579490,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":2961204,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"DeferredRevenue":{"label":"Deferred Revenue","description":"Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.","units":{"USD":[{"end":"2012-04-27","val":2961837,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":2961837,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":2961837,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":2961837,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":2588345,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":2214853,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":1841361,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":1467869,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":1467869,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":1467869,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":381948,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":1467869,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-01-24","val":895665,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"}]}},"DeferredStateAndLocalIncomeTaxExpenseBenefit":{"label":"Deferred State and Local Income Tax Expense (Benefit)","description":"Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":9804,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":1082986,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":1082986,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":69648,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":69648,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":69648,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":-792542,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":-792542,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":-511102,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"DeferredTaxAssetsGross":{"label":"Deferred Tax Assets, Gross","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.","units":{"USD":[{"end":"2012-04-27","val":69112128,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-04-26","val":44305040,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":44305040,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-04-25","val":24850859,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":24850859,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":14889346,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"DeferredTaxAssetsGrossCurrent":{"label":"Deferred Tax Assets, Gross, Current","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as current.","units":{"USD":[{"end":"2012-04-27","val":27971835,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-04-26","val":17992339,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":17992339,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-04-25","val":18600795,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":18600795,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":9466309,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"DeferredTaxAssetsGrossNoncurrent":{"label":"Deferred Tax Assets, Gross, Noncurrent","description":"Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences and carryforwards, classified as noncurrent.","units":{"USD":[{"end":"2012-04-27","val":41611106,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-04-26","val":27236316,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":27236316,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-04-25","val":8829556,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":8829556,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":8384241,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"DeferredTaxAssetsLiabilitiesNet":{"label":"Deferred Tax Assets, Net","description":"Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.","units":{"USD":[{"end":"2012-04-27","val":31259783,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-04-26","val":18123277,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":18123277,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-04-25","val":22979009,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":22979009,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":13276580,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"DeferredTaxAssetsLiabilitiesNetCurrent":{"label":"Deferred Tax Assets, Net, Current","description":"Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, netted by jurisdiction and classified as current.","units":{"USD":[{"end":"2014-04-25","val":17208365,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":17208365,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-01-23","val":6697025,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":7198726,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":7198726,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":7785835,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"DeferredTaxAssetsLiabilitiesNetNoncurrent":{"label":"Deferred Tax Assets, Net, Noncurrent","description":"Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting and classified as noncurrent.","units":{"USD":[{"end":"2014-04-25","val":5770644,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":5770644,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-01-23","val":6109976,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":6077854,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":6077854,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":6895311,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"DeferredTaxAssetsNet":{"label":"Deferred Tax Assets, Net of Valuation Allowance","description":"Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.","units":{"USD":[{"end":"2012-04-27","val":31730596,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-04-26","val":19046892,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":19046892,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-04-25","val":25558499,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":25558499,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":16237784,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"DeferredTaxAssetsNetCurrent":{"label":"Deferred Tax Assets, Net of Valuation Allowance, Current","description":"Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as current.","units":{"USD":[{"end":"2011-04-29","val":13738703,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":13738703,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":13738703,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":13738703,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":13311016,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":13628775,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":12073325,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":16994209,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":16994209,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":16994209,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":16994209,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":16994209,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":12481594,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":5188141,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":5988392,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":10297991,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":10297991,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":10297991,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":10297991,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":10297991,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":10579525,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":11459597,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":14382521,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":17208365,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":17208365,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":17208365,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q1I"},{"end":"2014-07-25","val":9446096,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":6690620,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"}]}},"DeferredTaxAssetsNetNoncurrent":{"label":"Deferred Tax Assets, Net of Valuation Allowance, Noncurrent","description":"Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as noncurrent.","units":{"USD":[{"end":"2011-04-29","val":40137463,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":40137463,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":40137463,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":40137463,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":36291245,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":30877527,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":26131458,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":14265574,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":14265574,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":14265574,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":14265574,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":14265574,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":14265574,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":14265574,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":15958202,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":7825286,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":7825286,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":7825286,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":7825286,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":7825286,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":7849048,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":8023091,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":4555927,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":5770644,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":5770644,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":5770644,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q1I"},{"end":"2014-07-25","val":6218609,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":6109114,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"}]}},"DeferredTaxAssetsOperatingLossCarryforwardsDomestic":{"label":"Deferred Tax Assets, Operating Loss Carryforwards, Domestic","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.","units":{"USD":[{"end":"2012-04-27","val":36967643,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-04-26","val":11652605,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":11652605,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"}]}},"DeferredTaxAssetsOperatingLossCarryforwardsForeign":{"label":"Deferred Tax Assets, Operating Loss Carryforwards, Foreign","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards.","units":{"USD":[{"end":"2012-04-27","val":12957928,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-04-26","val":12309347,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":12309347,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-04-25","val":3533675,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":3533675,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":1906364,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal":{"label":"Deferred Tax Assets, Operating Loss Carryforwards, State and Local","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.","units":{"USD":[{"end":"2012-04-27","val":1785714,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-04-26","val":882678,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":882678,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-04-25","val":462149,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":462149,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":70129,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"DeferredTaxAssetsOther":{"label":"Deferred Tax Assets, Other","description":"Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.","units":{"USD":[{"end":"2012-04-27","val":1460454,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-04-26","val":4166569,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":4166569,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-04-25","val":1146024,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":1146024,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":919272,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"DeferredTaxAssetsTaxCreditCarryforwards":{"label":"Deferred Tax Assets, Tax Credit Carryforwards","description":"Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.","units":{"USD":[{"end":"2012-04-27","val":4780962,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-04-26","val":7084538,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":7084538,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-04-25","val":12467782,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":12467782,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":3059133,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits":{"label":"Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs.","units":{"USD":[{"end":"2012-04-27","val":7877434,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-04-26","val":6119515,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":6119515,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-04-25","val":6646084,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":6646084,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":6847074,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals":{"label":"Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals.","units":{"USD":[{"end":"2012-04-27","val":2213570,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-04-26","val":2102427,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":2102427,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-04-25","val":2227878,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":2227878,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":3003760,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"DeferredTaxAssetsValuationAllowance":{"label":"Deferred Tax Assets, Valuation Allowance","description":"Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.","units":{"USD":[{"end":"2012-04-27","val":37852345,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-04-26","val":26181763,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":26181763,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-04-25","val":1871850,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":1871850,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":1612766,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"DeferredTaxAssetsValuationAllowanceCurrent":{"label":"Deferred Tax Assets, Valuation Allowance, Current","description":"Amount of valuation allowance of deferred tax asset attributable to deductible temporary differences and carryforwards, classified as current.","units":{"USD":[{"end":"2012-04-27","val":10663030,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-04-26","val":7622378,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":7622379,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-04-25","val":1330672,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":1330672,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":799990,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"DeferredTaxAssetsValuationAllowanceNoncurrent":{"label":"Deferred Tax Assets, Valuation Allowance, Noncurrent","description":"Amount of valuation allowance of deferred tax asset attributable to deductible temporary differences and carryforwards, classified as noncurrent.","units":{"USD":[{"end":"2012-04-27","val":27189315,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-04-26","val":18559385,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":18559384,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-04-25","val":541180,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":541180,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":812776,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"DeferredTaxLiabilitiesGrossCurrent":{"label":"Deferred Tax Liabilities, Gross, Current","description":"Amount of deferred tax liability attributable to taxable temporary differences classified as current.","units":{"USD":[{"end":"2012-04-27","val":314596,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-04-26","val":71969,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":71969,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-04-25","val":61758,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":61758,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":1467593,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"DeferredTaxLiabilitiesGrossNoncurrent":{"label":"Deferred Tax Liabilities, Gross, Noncurrent","description":"Gross amount of noncurrent deferred tax liabilities, which result from applying the applicable tax rate to taxable temporary differences pertaining to each jurisdiction to which the entity is obligated to pay income tax.","units":{"USD":[{"end":"2012-04-27","val":156217,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-04-26","val":851646,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":851646,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-04-25","val":2517732,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":2517732,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":1493611,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"DeferredTaxLiabilitiesPropertyPlantAndEquipment":{"label":"Deferred Tax Liabilities, Property, Plant and Equipment","description":"Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.","units":{"USD":[{"end":"2012-04-27","val":145692,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-04-26","val":789106,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":789106,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-04-25","val":957697,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":957697,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":630789,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"DefinedContributionPlanCostRecognized":{"label":"Defined Contribution Plan, Cost","description":"Amount of cost for defined contribution plan.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":1.1,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":1.3,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":1300000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":1.4,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":1400000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":1400000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":600000,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":949000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-26","end":"2014-01-24","val":1259000,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-04-25","val":1700000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":1700000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":549000,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":606000,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":835000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-04-26","end":"2015-01-23","val":1198000,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":1800000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":592000,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"DefinedContributionPlanEmployerMatchingContributionPercent":{"label":"Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay","description":"Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.","units":{"pure":[{"start":"2012-04-28","end":"2013-04-26","val":0.06,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":0.06,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":0.5,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":0.5,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-04-26","end":"2015-01-23","val":0.06,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":0.06,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":0.06,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"DefinedContributionPlanEmployerMatchingContributionPercentOfMatch":{"label":"Defined Contribution Plan, Employer Matching Contribution, Percent of Match","description":"Percentage employer matches of the employee's percentage contribution matched.","units":{"pure":[{"start":"2014-04-26","end":"2015-01-23","val":0.5,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":0.5,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":0.5,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"Depreciation":{"label":"Depreciation","description":"The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":2228619,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":569704,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":1307749,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":2024707,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":2737953,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":2737953,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":746580,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":746580,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":1582712,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":1582712,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":2515066,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":2515066,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":3474612,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":3474612,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":3474612,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":924637,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":924637,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":1901737,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":1901737,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":2807785,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":2807785,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":3770756,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":3770756,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":3770756,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":1010839,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":1010839,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":2039632,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":2039632,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":3180707,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":3180707,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":4288184,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":4288184,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":1235902,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":1235902,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":2448738,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-04-26","end":"2015-01-23","val":3671834,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":5768119,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":1240806,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"DerivativeAssets":{"label":"Derivative Asset","description":"Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.","units":{"USD":[{"end":"2011-04-29","val":5209590,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q1I"},{"end":"2011-04-29","val":5209590,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2011-04-29","val":5209590,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2011-07-29","val":5284384,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2I"},{"end":"2011-10-28","val":5359179,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3I"},{"end":"2012-01-27","val":5433974,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4I"},{"end":"2012-04-27","val":5508768,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q1I"},{"end":"2012-04-27","val":5508768,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":5508768,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-07-27","val":1450000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":1450000,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":1450000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"}]}},"DerivativeGainLossOnDerivativeNet":{"label":"Derivative, Gain (Loss) on Derivative, Net","description":"Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-10-28","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-04-30","end":"2012-04-27","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011"},{"start":"2012-04-28","end":"2012-10-26","val":1327686,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":1327686,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":1327686,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":2321951,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-07-28","end":"2012-10-26","val":1327686,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":1300000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":1325574,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":1325574,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":-2112,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":-2112,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":1325574,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":1325574,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":1325574,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"}]}},"EarningsPerShareBasic":{"label":"Earnings Per Share, Basic","description":"The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.","units":{"USD/shares":[{"start":"2010-05-01","end":"2011-04-29","val":1.67,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":0.24,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":0.57,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":0.32,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":0.91,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":0.34,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-04-30","end":"2012-04-27","val":1.3,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":1.3,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":0.29,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":0.29,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":0.78,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":0.78,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":0.49,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":0.49,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":1.26,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":1.26,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":0.48,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":0.48,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":1.68,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":1.68,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":1.68,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":0.32,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":0.32,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":0.82,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":0.82,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":0.51,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":0.51,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":1.34,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":1.34,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":0.52,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":0.52,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":2.02,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":2.02,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":0.51,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":0.51,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":1.16,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":0.65,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"},{"start":"2014-04-26","end":"2015-01-23","val":1.79,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":0.63,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":2.19,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":0.48,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"EarningsPerShareDiluted":{"label":"Earnings Per Share, Diluted","description":"The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.","units":{"USD/shares":[{"start":"2009-04-25","end":"2010-04-30","val":2.67,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":0.25,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":1.13,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-07-31","end":"2010-10-29","val":0.88,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2010Q3"},{"start":"2010-05-01","end":"2011-01-28","val":1.38,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-10-30","end":"2011-01-28","val":0.25,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2010Q4"},{"start":"2010-05-01","end":"2011-04-29","val":1.64,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":1.64,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":0.24,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":0.24,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2011-04-30","end":"2011-07-29","val":0.24,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":0.56,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":0.56,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":0.32,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-07-30","end":"2011-10-28","val":0.32,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":0.32,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":0.9,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":0.9,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":0.34,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":0.34,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011Q4"},{"start":"2011-10-30","end":"2012-01-27","val":0.34,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":1.28,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":1.28,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":1.28,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-01-28","end":"2012-04-27","val":0.38,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1"},{"start":"2012-04-28","end":"2012-07-27","val":0.29,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":0.29,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2012-07-27","val":0.29,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2012-04-28","end":"2012-07-27","val":0.29,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":0.77,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":0.77,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":0.48,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":0.48,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-07-28","end":"2012-10-26","val":0.48,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":0.48,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":1.24,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":1.24,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":0.47,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":0.47,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-10-27","end":"2013-01-25","val":0.47,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":0.47,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":1.66,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":1.66,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":1.66,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-01-26","end":"2013-04-26","val":0.41,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2013-01-26","end":"2013-04-26","val":0.41,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1"},{"start":"2013-04-27","end":"2013-07-26","val":0.31,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":0.31,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2013-07-26","val":0.31,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2013-04-27","end":"2013-07-26","val":0.31,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":0.81,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":0.81,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":0.5,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":0.5,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-27","end":"2013-10-25","val":0.5,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-07-27","end":"2013-10-25","val":0.5,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"start":"2013-04-26","end":"2014-01-24","val":1.32,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":1.32,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":0.51,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":0.51,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-10-26","end":"2014-01-24","val":0.51,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-10-26","end":"2014-01-24","val":0.51,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":2,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":2,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-01-25","end":"2014-04-25","val":0.68,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2014-01-25","end":"2014-04-25","val":0.68,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1"},{"start":"2014-04-26","end":"2014-07-25","val":0.5,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":0.5,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"start":"2014-04-26","end":"2014-07-25","val":0.5,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":1.15,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":0.64,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":0.64,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q3"},{"start":"2014-04-26","end":"2015-01-23","val":1.77,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":0.62,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":0.62,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":2.17,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-01-24","end":"2015-04-24","val":0.4,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1"},{"start":"2015-04-25","end":"2015-07-24","val":0.47,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"EffectiveIncomeTaxRateContinuingOperations":{"label":"Effective Income Tax Rate Reconciliation, Percent","description":"Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.","units":{"pure":[{"start":"2010-05-01","end":"2011-04-29","val":0.039,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-10-28","val":0.396,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":0.386,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":0.402,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":0.402,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-04-30","end":"2012-04-27","val":0.403,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":0.403,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-01-28","end":"2012-04-27","val":0.407,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q1"},{"start":"2012-04-28","end":"2012-07-27","val":0.391,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":0.374,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":0.374,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":0.364,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":0.366,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":0.366,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":0.352,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":0.384,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":0.384,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":0.384,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-01-26","end":"2013-04-26","val":0.391,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2013Q1"},{"start":"2013-04-27","end":"2013-07-26","val":0.358,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":0.358,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":0.363,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":0.363,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":0.366,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-04-26","end":"2014-01-24","val":0.355,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":0.355,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":0.341,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":0.313,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":0.313,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":0.391,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":0.391,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":0.365,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":0.343,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"},{"start":"2014-04-26","end":"2015-01-23","val":0.346,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":0.308,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":0.352,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":0.354,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate":{"label":"Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent","description":"Percentage of domestic federal statutory tax rate applicable to pretax income (loss).","units":{"pure":[{"start":"2010-05-01","end":"2011-04-29","val":0.35,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":0.35,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":0.35,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":0.35,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":0.35,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":0.35,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":0.35,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":0.35,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-04-26","val":0.35,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":0.35,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":0.35,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":0.35,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":0.35,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-27","end":"2013-10-25","val":0.35,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":0.35,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":0.35,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":0.35,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":0.35,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":0.35,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":0.35,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":0.35,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"},{"start":"2014-04-26","end":"2015-01-23","val":0.35,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":0.35,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":0.35,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":0.35,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance":{"label":"Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent","description":"Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.","units":{"pure":[{"start":"2010-05-01","end":"2011-04-29","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":-0.001,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":-0.001,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":-0.001,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":-0.044,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":-0.044,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2015-04-25","end":"2015-07-24","val":0.04,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"EffectiveIncomeTaxRateReconciliationDeductions":{"label":"Effective Income Tax Rate Reconciliation, Deduction, Percent","description":"Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations attributable to deduction. Includes, but is not limited to, dividend deduction, deduction for dividend paid to employee stock ownership plan (ESOP), Medicare prescription drug benefit subsidy deduction, and other deductions.","units":{"pure":[{"start":"2014-04-26","end":"2015-04-24","val":-0.029,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential":{"label":"Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent","description":"Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.","units":{"pure":[{"start":"2010-05-01","end":"2011-04-29","val":0.001,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":0.002,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":0.002,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":0.001,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":0.001,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":0.001,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":0.005,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":0.005,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":0.015,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":0.025,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"EffectiveIncomeTaxRateReconciliationOtherAdjustments":{"label":"Effective Income Tax Rate Reconciliation, Other Adjustments, Percent","description":"Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.","units":{"pure":[{"start":"2010-05-01","end":"2011-04-29","val":0.013,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":0.022,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":0.022,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":0.013,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":0.013,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":0.013,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":0.011,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":0.011,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":0.025,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes":{"label":"Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent","description":"Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).","units":{"pure":[{"start":"2010-05-01","end":"2011-04-29","val":0.028,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":0.026,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":0.026,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":0.023,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":0.023,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":0.023,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":0.025,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":0.025,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":0.027,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"EffectiveIncomeTaxRateReconciliationTaxContingenciesOther":{"label":"Effective Income Tax Rate Reconciliation, Tax Contingency, Other, Percent","description":"Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other income tax contingencies.","units":{"pure":[{"start":"2010-05-01","end":"2011-04-29","val":0.045,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":0.018,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":0.018,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":0.018,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2014-04-26","end":"2015-04-24","val":-0.015,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"EffectiveIncomeTaxRateReconciliationTaxCreditsResearch":{"label":"Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent","description":"Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit.","units":{"pure":[{"start":"2010-05-01","end":"2011-04-29","val":-0.012,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":-0.011,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":-0.011,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":-0.014,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":-0.014,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":-0.014,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":-0.034,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":-0.034,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":0.01,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2015-04-24","val":-0.021,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations":{"label":"Effect of Exchange Rate on Cash and Cash Equivalents, Continuing Operations","description":"The effect of exchange rate changes on cash balances in continuing operations held in foreign currencies.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":60703,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":94351,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":-532335,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":-306398,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":-1213331,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":-1213331,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":360272,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":360272,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":558611,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":558611,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":991576,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":991576,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":1014244,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":1014244,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":1014244,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":-243814,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":-243814,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":-179084,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":-179084,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":-129525,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":-129525,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":-156379,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":-156379,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":-156379,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":22358,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":22358,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":78638,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":78638,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":43874,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":43874,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":73464,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":73464,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":-114465,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":-114465,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":-313723,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-04-26","end":"2015-01-23","val":-715444,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":-766577,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":40566,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"EmployeeRelatedLiabilitiesCurrent":{"label":"Employee-related Liabilities, Current","description":"Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2014-04-25","val":16957216,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":16957216,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-01-23","val":12190799,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":13780631,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":13780631,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":11256199,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized":{"label":"Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount","description":"Amount of cost not yet recognized for nonvested award under share-based payment arrangement.","units":{"USD":[{"end":"2013-04-26","val":18203702,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2014-04-25","val":19608579,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q1I"},{"end":"2015-04-24","val":17481141,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense":{"label":"Share-based Payment Arrangement, Expense, Tax Benefit","description":"Amount of tax benefit for recognition of expense of award under share-based payment arrangement.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":1992308,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":3461453,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":3461453,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":670965,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":1790473,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":1079590,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":2779678,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":1029158,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":3810136,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":3810136,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":3810136,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":765238,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":765238,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":1745338,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":1745338,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":980100,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":980100,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":2747144,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":2747144,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":1001806,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":1001806,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":3743983,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":3743983,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":859818,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":859818,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":1832434,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":972616,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"},{"start":"2014-04-26","end":"2015-01-23","val":3006407,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":1173973,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":3943773,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":535549,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"ExcessTaxBenefitFromShareBasedCompensationFinancingActivities":{"label":"Excess Tax Benefit from Share-based Compensation, Financing Activities","description":"Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":0,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-04-27","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":400311,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":400311,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":526625,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":526625,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":2040699,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":2040699,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":4416583,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":4416583,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":4416583,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":4474196,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":4474196,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":11767442,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":11767442,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":17157916,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":17157916,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":26678199,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":26678199,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":1264795,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":1264795,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":2587565,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-04-26","end":"2015-01-23","val":3134190,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":4746377,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":518769,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"FairValueAssumptionsExpectedVolatilityRate":{"label":"Fair Value Assumptions, Expected Volatility Rate (Deprecated 2018-01-31)","description":"Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.","units":{"pure":[{"start":"2012-04-28","end":"2013-01-25","val":0.25,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-04-26","val":0.25,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"}]}},"FairValueAssumptionsRiskFreeInterestRate":{"label":"Fair Value Assumptions, Risk Free Interest Rate (Deprecated 2018-01-31)","description":"Risk-free interest rate assumption used in valuing an instrument.","units":{"pure":[{"start":"2012-04-28","end":"2012-10-26","val":0.0013,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2013-01-25","val":0.0013,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"}]}},"FairValueMeasuredOnRecurringBasisGainLossIncludedInEarnings":{"label":"Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings (Deprecated 2019-01-31)","description":"Amount of realized and unrealized gain (loss) included in earnings, which have arisen from the use of significant unobservable inputs (level 3) to measure fair value of assets, liabilities, and financial instruments classified in shareholders' equity.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":0,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":0,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":-4058768,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":-4058768,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":-4058768,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":-4058768,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":-4058768,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":-4058768,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":-4058768,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":-4058768,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":0,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)","description":"Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3).","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":0,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":0,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2013-01-25","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-04-26","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases","description":"Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":5000000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":0,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":0,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":0,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":0,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":0,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":0,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":-1450000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":0,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net","description":"Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":0,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":0,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":0,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":0,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":0,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":0,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":0,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":0,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2"}]}},"FairValueOfAssetsAcquired":{"label":"Fair Value of Assets Acquired","description":"The fair value of assets acquired in noncash investing or financing activities.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":203245,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":271741,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":342792,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":106814,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":134388,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":191180,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":191180,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":133856,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":133856,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":240973,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":240973,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":129918,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":94290,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":334023,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2013-01-25","val":269624,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-04-26","val":1450000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":1450000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":1450000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"}]}},"FiniteLivedIntangibleAssetsAccumulatedAmortization":{"label":"Finite-Lived Intangible Assets, Accumulated Amortization","description":"Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.","units":{"USD":[{"end":"2011-07-29","val":802560,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2I"},{"end":"2011-10-28","val":991800,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3I"},{"end":"2012-01-27","val":1104061,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4I"},{"end":"2012-04-27","val":1275388,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":1473859,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-07-27","val":1473859,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2I"},{"end":"2012-10-26","val":1691238,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":1908617,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":2143001,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":2143001,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":2143001,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":2143001,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":2399163,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":2719998,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":3112048,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":3457310,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":3457310,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":3457310,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":3457310,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":3457310,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":3782022,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":3958902,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":4198497,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":4058761,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":4058761,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":4315533,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"FiniteLivedIntangibleAssetsAcquired":{"label":"Finite-lived Intangible Assets Acquired (Deprecated 2013-01-31)","description":"Amount of assets, excluding financial assets and goodwill, lacking physical substance with a finite life acquired.","units":{"USD":[{"start":"2011-04-30","end":"2011-07-29","val":500000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":500000,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":500000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":500000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":2500000,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-07-27","val":2500000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-10-26","val":2500000,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2013-01-25","val":2500000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-04-26","val":5578000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":1250000,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive":{"label":"Finite-Lived Intangible Asset, Expected Amortization, after Year Five","description":"Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2013-04-26","val":1062929,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2013-07-26","val":1153893,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":1355923,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":1386726,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":1337786,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q1I"},{"end":"2014-07-25","val":4893786,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":5960222,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":5959980,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":5546878,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year One","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2015-04-24","val":840517,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in remainder of current fiscal year.","units":{"USD":[{"end":"2012-07-27","val":652137,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":434758,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":217379,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2014-07-25","val":961661,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":475673,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":245593,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-07-24","val":753113,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearFive":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Five","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-07-27","val":869516,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":869516,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":869516,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":1073080,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2013-07-26","val":1165367,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":1354891,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":1386726,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":1426449,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q1I"},{"end":"2014-07-25","val":1337641,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":1338820,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":1335308,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":615337,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"},{"end":"2015-07-24","val":615337,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearFour":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Four","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-07-27","val":886237,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":886237,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":886237,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":1093716,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2013-07-26","val":1187778,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":1411870,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":1444318,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":1414490,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q1I"},{"end":"2014-07-25","val":1425262,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":1250176,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":1247223,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":1146040,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"},{"end":"2015-07-24","val":1013034,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearThree":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Three","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-07-27","val":869516,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":869516,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":869516,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":1073080,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2013-07-26","val":1165367,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":1432179,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":1464014,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":1298569,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q1I"},{"end":"2014-07-25","val":1413360,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":1079356,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":1077519,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":1053126,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"},{"end":"2015-07-24","val":998642,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Two","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-07-27","val":869516,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":869516,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":869516,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":1073080,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2013-07-26","val":874025,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":716090,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":366004,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":1282356,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q1I"},{"end":"2014-07-25","val":1298268,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":988851,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":987880,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":966341,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"},{"end":"2015-07-24","val":984392,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"FiniteLivedIntangibleAssetsGross":{"label":"Finite-Lived Intangible Assets, Gross","description":"Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.","units":{"USD":[{"end":"2011-04-29","val":5844401,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2011-04-29","val":5844401,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2011-04-29","val":5844401,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2011-04-29","val":5844401,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011Q1I"},{"end":"2011-07-29","val":6344401,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2I"},{"end":"2011-10-28","val":6344401,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3I"},{"end":"2012-01-27","val":5785000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4I"},{"end":"2012-04-27","val":5785000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":5785000,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":5785000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":5785000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2012-04-27","val":5785000,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q1I"},{"end":"2012-07-27","val":8285000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-07-27","val":8285000,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2I"},{"end":"2012-10-26","val":8285000,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":8285000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":11363000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":11363000,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":11363000,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":11363000,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":11363000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":12523000,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":14812000,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":15062000,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":15112000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":15112000,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":15112000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":15112000,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":15112000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":15112000,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":15052000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":15052000,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":14227000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":14227000,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":14227000,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"FiniteLivedIntangibleAssetsNet":{"label":"Finite-Lived Intangible Assets, Net","description":"Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.","units":{"USD":[{"end":"2011-04-29","val":5237857,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":5237857,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":5237857,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":5237857,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":5541841,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-07-29","val":5541841,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2I"},{"end":"2011-10-28","val":5352601,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-10-28","val":5352601,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3I"},{"end":"2012-01-27","val":4680940,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2012-01-27","val":4680939,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4I"},{"end":"2012-04-27","val":4509612,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":4509612,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":4509612,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":4509612,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":4509612,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":6811141,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-07-27","val":6811141,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2I"},{"end":"2012-10-26","val":6593762,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":6376383,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":9219999,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":9219999,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":9219999,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":9219999,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":9219999,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":10123837,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":12092002,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":11949952,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":11654690,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":11654690,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":11654690,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":11654690,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":11654690,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":11329978,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":11093098,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":10853503,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":10168239,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":10168239,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":9911467,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"FinitelivedIntangibleAssetsAcquired1":{"label":"Finite-lived Intangible Assets Acquired","description":"Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.","units":{"USD":[{"start":"2014-04-26","end":"2015-04-24","val":0,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"ForeignCurrencyTransactionGainBeforeTax":{"label":"Foreign Currency Transaction Gain, before Tax","description":"Amount before tax of foreign currency transaction realized and unrealized gain recognized in the income statement.","units":{"USD":[{"start":"2012-04-28","end":"2012-07-27","val":67348,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2014-04-26","end":"2014-07-25","val":171000,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":164000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"}]}},"ForeignCurrencyTransactionGainLossBeforeTax":{"label":"Foreign Currency Transaction Gain (Loss), before Tax","description":"Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":-207644,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":-72312,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":-331794,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-07-31","end":"2010-10-29","val":-259482,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2010Q3"},{"start":"2010-05-01","end":"2011-01-28","val":-383595,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-10-30","end":"2011-01-28","val":-51801,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2010Q4"},{"start":"2010-05-01","end":"2011-04-29","val":-470109,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":117553,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":-211929,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-07-30","end":"2011-10-28","val":-329483,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":-478060,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-10-30","end":"2012-01-27","val":-266130,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4"},{"start":"2011-04-30","end":"2012-04-27","val":-547148,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":304000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":-304000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-26","end":"2014-01-24","val":-206000,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-10-26","end":"2014-01-24","val":-35000,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":-295000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":171455,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2015-01-23","val":348000,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":183000,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":441000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":3948,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"ForeignCurrencyTransactionGainLossUnrealized":{"label":"Foreign Currency Transaction Gain (Loss), Unrealized","description":"Amount before tax of foreign currency transaction unrealized gain (loss) recognized in the income statement.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":68970,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":101733,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":-765112,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":623980,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":1648479,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":1766344,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":310481,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":-247443,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":512055,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":-40322,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":-1755386,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":-1867503,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":-1779285,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":-1808435,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":-1808435,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":-152980,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":-152980,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":-136713,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":-136713,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":-154629,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":-154629,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":-136344,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":-136344,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":13497,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":13497,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":3258,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":3258,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":-27994,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":-72287,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":160061,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":-15729,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"}]}},"ForeignCurrencyTransactionLossBeforeTax":{"label":"Foreign Currency Transaction Loss, before Tax","description":"Amount before tax of foreign currency transaction realized and unrealized loss recognized in the income statement.","units":{"USD":[{"start":"2011-04-30","end":"2012-04-27","val":1841000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-10-26","val":57895,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":174000,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":304000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":130695,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":131000,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":171000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":171473,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":206000,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":295000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"}]}},"GainLossOnDerivativeInstrumentsNetPretax":{"label":"Gain (Loss) on Derivative Instruments, Net, Pretax","description":"Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.","units":{"USD":[{"start":"2011-04-30","end":"2011-07-29","val":392000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2012-04-27","val":1195000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":0,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2"},{"start":"2012-07-28","end":"2012-10-26","val":1300000,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3"},{"start":"2012-10-27","end":"2013-01-25","val":1300000,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4"}]}},"GainLossRelatedToLitigationSettlement":{"label":"Gain (Loss) Related to Litigation Settlement","description":"Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.","units":{"USD":[{"start":"2013-04-27","end":"2013-07-26","val":-7442847,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":-7442847,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":-7442847,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":-7442847,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":-7442847,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":-7442847,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":-7442847,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"}]}},"GainsLossesOnExtinguishmentOfDebt":{"label":"Gain (Loss) on Extinguishment of Debt","description":"Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":3172231,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":83074,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":83074,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-07-31","end":"2010-10-29","val":0,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2010Q3"},{"start":"2010-05-01","end":"2011-01-28","val":83074,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-10-30","end":"2011-01-28","val":0,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2010Q4"},{"start":"2010-05-01","end":"2011-04-29","val":83074,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":0,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":0,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-07-30","end":"2011-10-28","val":0,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":-3670,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-10-30","end":"2012-01-27","val":-3670,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4"},{"start":"2011-04-30","end":"2012-04-27","val":-3670,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011"}]}},"GrossProfit":{"label":"Gross Profit","description":"Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":146868077,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":39336561,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":81246860,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-07-31","end":"2010-10-29","val":41910300,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2010Q3"},{"start":"2010-05-01","end":"2011-01-28","val":122520935,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-10-30","end":"2011-01-28","val":41274074,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2010Q4"},{"start":"2010-05-01","end":"2011-04-29","val":167444366,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":167444366,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":45740042,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":45740042,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2011-04-30","end":"2011-07-29","val":45740042,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":95274438,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":95274438,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":49534397,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-07-30","end":"2011-10-28","val":49534397,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":49534397,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":145711535,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":145711535,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":50437096,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":50437096,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011Q4"},{"start":"2011-10-30","end":"2012-01-27","val":50437096,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":198846399,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":198846399,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":198846399,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-01-28","end":"2012-04-27","val":53134864,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1"},{"start":"2012-04-28","end":"2012-07-27","val":55309995,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":55309995,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2012-07-27","val":55309995,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2012-04-28","end":"2012-07-27","val":55309995,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":113095835,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":113095835,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":57785841,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":57785841,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-07-28","end":"2012-10-26","val":57785841,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":57785841,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":170428650,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":170428650,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":57332815,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":57332815,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-10-27","end":"2013-01-25","val":57332815,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":57332815,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":232413153,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":232413153,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":232413153,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-01-26","end":"2013-04-26","val":61984502,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2013-01-26","end":"2013-04-26","val":61984502,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1"},{"start":"2013-04-27","end":"2013-07-26","val":62328324,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":62328324,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2013-07-26","val":62328324,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2013-04-27","end":"2013-07-26","val":62328324,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":125503337,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":125503337,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":63175013,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":63175013,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-27","end":"2013-10-25","val":63175013,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-07-27","end":"2013-10-25","val":63175013,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"start":"2013-04-26","end":"2014-01-24","val":187234603,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":187234603,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":61731266,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":61731266,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-10-26","end":"2014-01-24","val":61731266,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-10-26","end":"2014-01-24","val":61731266,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":254659269,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":254659269,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-01-25","end":"2014-04-25","val":67424666,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2014-01-25","end":"2014-04-25","val":67424666,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1"},{"start":"2014-04-26","end":"2014-07-25","val":65593574,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":65593574,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"start":"2014-04-26","end":"2014-07-25","val":65593574,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":132244896,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":66651322,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":66651322,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q3"},{"start":"2014-04-26","end":"2015-01-23","val":197770260,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":65525364,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":65525364,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":264247129,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-01-24","end":"2015-04-24","val":66476869,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1"},{"start":"2015-04-25","end":"2015-07-24","val":71577705,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"HeldToMaturitySecuritiesCurrent":{"label":"Debt Securities, Held-to-maturity, Current","description":"Amount of investment in debt security measured at amortized cost (held-to-maturity), classified as current.","units":{"USD":[{"end":"2013-04-26","val":15000000,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":15000000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-01-24","val":25003806,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":25028957,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":25028957,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":25028957,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":25028957,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":25028957,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":25047700,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":25073104,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":27006162,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":27019597,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":27019597,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":6995800,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"ImpairmentOfIntangibleAssetsFinitelived":{"label":"Impairment of Intangible Assets, Finite-lived","description":"The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.","units":{"USD":[{"start":"2011-04-30","end":"2012-01-27","val":-559401,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":559401,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011"},{"start":"2013-04-27","end":"2013-07-26","val":-90000,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2"},{"start":"2014-04-26","end":"2015-04-24","val":448000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic":{"label":"Income (Loss) from Continuing Operations before Income Taxes, Domestic","description":"The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":50330220,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":63865045,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":63865045,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":74949502,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":74949502,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":74949502,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":76257151,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":76257151,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":87274227,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest":{"label":"Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest","description":"Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.","units":{"USD":[{"start":"2012-04-28","end":"2013-04-26","val":75274625,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-26","end":"2014-01-24","val":56515344,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-10-26","end":"2014-01-24","val":21106214,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":79878696,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":22212335,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2015-01-23","val":72430417,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":23920349,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":89294077,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":19218462,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign":{"label":"Income (Loss) from Continuing Operations before Income Taxes, Foreign","description":"The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":-1665289,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":-3443617,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":-3443617,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":325123,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":325123,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":325123,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":3621545,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":3621545,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":2019850,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments":{"label":"Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest","description":"Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":38488471,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":11606464,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":24091841,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-07-31","end":"2010-10-29","val":12485377,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2010Q3"},{"start":"2010-05-01","end":"2011-01-28","val":35736874,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-10-30","end":"2011-01-28","val":11645032,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2010Q4"},{"start":"2010-05-01","end":"2011-04-29","val":48664931,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":48664931,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":11616741,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":11616741,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":26344496,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":26344496,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":14727756,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-07-30","end":"2011-10-28","val":14727756,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":42487585,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":42487585,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":16143089,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-10-30","end":"2012-01-27","val":16143089,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":60421428,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":60421428,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":60421428,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":13254251,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":13254251,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":34583075,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":34583075,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":21328826,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":21328826,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":54915005,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":54915005,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":20331929,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":20331929,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":75274625,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":75274625,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":13516765,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":13516765,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":35409130,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":35409130,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":21892364,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":21892364,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":56515344,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":21106214,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":79878696,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":22212335,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":48510068,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":26297733,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"}]}},"IncomeLossFromContinuingOperationsPerBasicShare":{"label":"Income (Loss) from Continuing Operations, Per Basic Share","description":"The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period.","units":{"USD/shares":[{"start":"2009-04-25","end":"2010-04-30","val":2.83,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":0.26,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":1.15,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-07-31","end":"2010-10-29","val":0.89,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2010Q3"},{"start":"2010-05-01","end":"2011-01-28","val":1.41,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-10-30","end":"2011-01-28","val":0.26,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2010Q4"},{"start":"2010-05-01","end":"2011-04-29","val":1.67,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":0.24,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":0.57,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-07-30","end":"2011-10-28","val":0.32,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":0.91,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-10-30","end":"2012-01-27","val":0.34,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4"},{"start":"2011-04-30","end":"2012-04-27","val":1.3,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011"}]}},"IncomeTaxExpenseBenefit":{"label":"Income Tax Expense (Benefit)","description":"Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":-39960413,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":4443168,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":-8012700,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-07-31","end":"2010-10-29","val":-12455868,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2010Q3"},{"start":"2010-05-01","end":"2011-01-28","val":-3559639,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-10-30","end":"2011-01-28","val":4453060,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2010Q4"},{"start":"2010-05-01","end":"2011-04-29","val":1939221,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":1939221,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":4732187,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":4732187,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":10432168,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":10432168,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":5699982,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-07-30","end":"2011-10-28","val":5699982,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":17073073,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":17073073,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":6640905,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-10-30","end":"2012-01-27","val":6640905,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":24343696,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":24343696,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":24343696,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":5179218,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":5179218,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":12941138,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":12941138,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":7761922,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":7761922,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":20089574,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":20089574,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":7148435,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":7148435,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":28917123,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":28917123,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":28917123,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":4842839,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":4842839,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":12846742,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":12846742,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":8003902,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":8003902,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":20053093,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":20053093,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":7206351,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":7206351,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":24988439,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":24988439,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":8693513,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":8693513,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":17718056,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":9024543,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"},{"start":"2014-04-26","end":"2015-01-23","val":25096945,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":7378889,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":31446543,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":6799294,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"IncomeTaxesPaid":{"label":"Income Taxes Paid","description":"The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":1072544,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":317120,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":963948,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":1006181,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":1275959,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":1275959,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":18227,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":18227,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":798950,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":798950,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":886198,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":886198,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":1120336,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":1120336,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":1120336,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":361983,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":361983,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":1484733,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":1484733,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":2060495,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":2060495,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":3517787,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":3517787,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":266322,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":266322,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":3187893,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":3187893,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":3943931,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":4295774,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":1115197,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":8082385,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"}]}},"IncomeTaxesPaidNet":{"label":"Income Taxes Paid, Net","description":"The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.","units":{"USD":[{"start":"2012-04-28","end":"2013-04-26","val":3517787,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-26","end":"2014-01-24","val":3943931,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-04-25","val":4295774,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":1115197,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2015-01-23","val":12252551,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":15576973,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":3917014,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"IncreaseDecreaseInAccountsPayableAndAccruedLiabilities":{"label":"Increase (Decrease) in Accounts Payable and Accrued Liabilities","description":"The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":5734560,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":-5733125,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":-3160497,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":-3489817,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":-1617141,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2010-05-01","end":"2011-04-29","val":-1617141,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2011-07-29","val":-5684369,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-07-29","val":-5684369,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-10-28","val":-2392617,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2011-10-28","val":-2392617,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2012-01-27","val":-2821873,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-01-27","val":-2821873,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":1127337,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011"},{"start":"2011-04-30","end":"2012-04-27","val":1127337,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2012-04-28","end":"2012-07-27","val":-4686429,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-07-27","val":-4686429,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-10-26","val":-1213060,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2012-10-26","val":-1213060,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2013-01-25","val":-1278862,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-04-26","val":6563629,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":-9049218,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2"},{"start":"2013-04-27","end":"2013-10-25","val":-3349709,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"}]}},"IncreaseDecreaseInAccountsReceivable":{"label":"Increase (Decrease) in Accounts Receivable","description":"The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":3825340,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":897305,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":235392,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":-2486979,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":1952789,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":1952789,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":-1231177,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":1231177,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":-1720585,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":1720585,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":-1117222,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":-1117222,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":1247219,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":1247219,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":1247219,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":2801911,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":2801911,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":7660128,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":7660128,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":6225989,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":6225989,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":10184633,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":10184633,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":10184633,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":366782,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":366782,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":2369854,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":2369854,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":2255045,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":2255045,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":10656327,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":10656327,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":-2129438,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":-2129438,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":-1304437,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-04-26","end":"2015-01-23","val":-1099489,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":2654488,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":4544652,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities":{"label":"Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities","description":"Amount of increase (decrease) in accrued expenses, and obligations classified as other.","units":{"USD":[{"start":"2011-04-30","end":"2012-04-27","val":1127337,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-01-25","val":-1278862,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":6563629,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":6563629,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":-9049218,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":-3349709,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-26","end":"2014-01-24","val":-3941016,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":-3941016,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":2087796,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":2087796,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":-5046273,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":-5046273,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":-3548610,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-04-26","end":"2015-01-23","val":-469302,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":5547130,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":5447710,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"IncreaseDecreaseInDeferredIncomeTaxes":{"label":"Increase (Decrease) in Deferred Income Taxes","description":"The increase (decrease) during the reporting period in the account that represents the temporary difference that results from Income or Loss that is recognized for accounting purposes but not for tax purposes and vice versa.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":41335107,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":4131086,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":-8704833,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":4422670,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":-1101763,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":-1101763,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":4273905,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":-4273905,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":9369864,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":-9369864,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":-15671383,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":-15671383,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":-22666255,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":-22666255,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":-22666255,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":-4112304,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":-4112304,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":-11279443,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":-11279443,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":-16388319,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":-16388319,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":-22421044,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":-22421044,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":483988,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":483988,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":1499571,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":1499571,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":1053779,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":5200888,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":-3402023,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":-6005434,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"}]}},"IncreaseDecreaseInInventories":{"label":"Increase (Decrease) in Inventories","description":"The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":1509542,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":-842241,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":-1392848,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":1465189,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":819399,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":819399,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":1491366,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":-1491366,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":1538178,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":-1538178,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":-1124147,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":-1124147,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":-682445,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":-682445,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":-682445,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":136270,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":136270,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":2946896,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":2946896,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":3044106,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":3044106,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":3395899,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":3395899,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":3395899,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":-149041,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":-149041,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":168349,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":168349,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":197717,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":197717,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":-254190,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":-254190,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":1057344,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":1057344,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":1696287,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-04-26","end":"2015-01-23","val":4020544,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":7113182,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":707677,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"IncreaseDecreaseInOtherCurrentAssets":{"label":"Increase (Decrease) in Other Current Assets","description":"Amount of increase (decrease) in current assets classified as other.","units":{"USD":[{"start":"2011-04-30","end":"2012-04-27","val":399946,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-10-26","val":-1686282,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-04-26","val":405072,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":-424453,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":-21665,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":-21665,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-04-25","val":2626110,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":-238129,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":-550749,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"}]}},"IncreaseDecreaseInOtherOperatingAssets":{"label":"Increase (Decrease) in Other Operating Assets","description":"Amount of increase (decrease) in operating assets classified as other.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":819268,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":263600,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":271763,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":-248928,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":-256683,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":-256683,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":145135,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":-145135,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":307989,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":-307989,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":-51196,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":-51196,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":-51748,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":-51748,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":-4846,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":-4846,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":-4908,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":-4908,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":989,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":-722709,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":100080,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":405072,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":-47705,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2"},{"start":"2013-04-27","end":"2013-10-25","val":64358,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":2368733,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":2368733,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":2626110,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":-238129,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2015-01-23","val":786931,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":2111958,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":-602096,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets":{"label":"Increase (Decrease) in Prepaid Expense and Other Assets","description":"Amount of increase (decrease) in prepaid expenses, and assets classified as other.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":269439,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":-59448,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":1537513,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":789405,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":220172,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2010-05-01","end":"2011-04-29","val":220172,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2011-07-29","val":-549866,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-07-29","val":549866,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-10-28","val":-1780206,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2011-10-28","val":1780206,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2012-01-27","val":570475,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-01-27","val":570475,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":451694,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011"},{"start":"2011-04-30","end":"2012-04-27","val":451694,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2012-04-28","end":"2012-07-27","val":-996345,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-07-27","val":-996345,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-10-26","val":-1686282,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2013-01-25","val":-723698,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-04-26","val":304992,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":-376748,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2"}]}},"IncreaseDecreaseInRestrictedCash":{"label":"Increase (Decrease) in Restricted Cash","description":"The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.","units":{"USD":[{"start":"2010-05-01","end":"2010-10-29","val":-1000000,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":-1000000,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":-1000000,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":-1000000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-10-28","val":0,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2012-01-27","val":0,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":99573,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":99573,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":99573,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":309740,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2"}]}},"IncreaseInRestrictedCash":{"label":"Increase in Restricted Cash","description":"Amount of cash outflow associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.","units":{"USD":[{"start":"2013-04-27","end":"2013-07-26","val":309740,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"}]}},"IncrementalCommonSharesAttributableToConversionOfDebtSecurities":{"label":"Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities","description":"Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt securities using the if-converted method.","units":{"shares":[{"start":"2010-05-01","end":"2011-04-29","val":176385,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":169831,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":169831,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":169831,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":149839,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":110048,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-04-30","end":"2012-04-27","val":112475,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":112475,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":0,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"}]}},"IncrementalCommonSharesAttributableToShareBasedPaymentArrangements":{"label":"Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements","description":"Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.","units":{"shares":[{"start":"2012-04-28","end":"2013-04-26","val":404954,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-26","end":"2014-01-24","val":318536,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-10-26","end":"2014-01-24","val":314292,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":323877,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":241254,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2015-01-23","val":223165,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":211960,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":234657,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":232137,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"InterestExpense":{"label":"Interest Expense","description":"Amount of the cost of borrowed funds accounted for as interest expense.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":397975,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":296725,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":119303,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"}]}},"InterestExpenseDebt":{"label":"Interest Expense, Debt","description":"Amount of the cost of borrowed funds accounted for as interest expense for debt.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":1430590,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":108339,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":204844,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-07-31","end":"2010-10-29","val":96505,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2010Q3"},{"start":"2010-05-01","end":"2011-01-28","val":299160,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-10-30","end":"2011-01-28","val":94316,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2010Q4"},{"start":"2010-05-01","end":"2011-04-29","val":397975,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":91035,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-07-29","val":91035,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-10-28","val":180819,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2011-10-28","val":180819,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-07-30","end":"2011-10-28","val":89782,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-07-30","end":"2011-10-28","val":89782,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2012-01-27","val":250297,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-01-27","val":250297,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-10-29","end":"2012-01-27","val":69478,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-10-30","end":"2012-01-27","val":69478,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":296725,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":28784,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":88773,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":59988,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":101043,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":12271,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4"}]}},"InterestIncomeExpenseNonoperatingNet":{"label":"Interest Income (Expense), Nonoperating, Net","description":"The net amount of nonoperating interest income (expense).","units":{"USD":[{"start":"2012-04-28","end":"2013-04-26","val":-35016,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":162218,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":162888,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"InterestPaid":{"label":"Interest Paid, Including Capitalized Interest, Operating and Investing Activities","description":"Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":1324972,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":67069,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":204087,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":233275,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":372939,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":372939,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":25908,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":25908,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":156283,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":156283,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":240688,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":240688,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":281206,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":281206,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":281206,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":27495,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":27495,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":56755,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":56755,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":83225,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":83225,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":95729,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":95729,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":95729,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-26","end":"2013-10-25","val":159,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":159,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":3309,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":3309,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":4034,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":4034,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":242,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":242,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":242,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-04-26","end":"2015-01-23","val":242,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":1272,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":14338,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"InterestReceivable":{"label":"Interest Receivable","description":"Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.","units":{"USD":[{"end":"2011-04-29","val":209590,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011Q1I"},{"end":"2011-07-29","val":74794,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2I"},{"end":"2011-10-28","val":149589,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3I"},{"end":"2012-01-27","val":224384,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4I"},{"end":"2012-04-27","val":299178,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2012-04-27","val":299178,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012Q1I"},{"end":"2012-07-27","val":0,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":0,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"}]}},"InventoryFinishedGoods":{"label":"Inventory, Finished Goods, Gross","description":"Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.","units":{"USD":[{"end":"2012-04-27","val":5475951,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-04-27","val":5475951,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":5475951,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":5475951,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-07-27","val":5637790,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2I"},{"end":"2012-07-27","val":5409506,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-10-26","val":5338849,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":5568089,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":5637790,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2013-07-26","val":5850630,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"}]}},"InventoryFinishedGoodsNetOfReserves":{"label":"Inventory, Finished Goods, Net of Reserves","description":"Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.","units":{"USD":[{"end":"2012-10-26","val":5637790,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3I"},{"end":"2013-04-26","val":5637790,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":5637790,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-10-25","val":6176157,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":6207151,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":5902288,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":5902288,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":5902288,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":5902288,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":5902288,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":6474749,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":6736748,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":7448108,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":7191742,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":7191742,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":8359835,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"InventoryNet":{"label":"Inventory, Net","description":"Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.","units":{"USD":[{"end":"2011-04-29","val":15270904,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":15270904,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":15270904,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":15270904,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":13750996,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":13668336,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":13946690,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":14385875,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":14385875,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":14385875,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":14385875,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":14385875,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":14334782,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-07-27","val":17718454,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2I"},{"end":"2012-10-26","val":17234393,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-10-26","val":17718454,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3I"},{"end":"2013-01-25","val":17427845,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":17718454,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":17718454,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":17718454,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":17718454,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":17718454,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":17684428,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":18088317,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":18083321,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":17630111,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":17630111,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":17630111,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":17630111,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":17630111,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":18685693,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":19110638,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":21177588,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":23963303,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":23963303,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":24737577,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"InventoryRawMaterials":{"label":"Inventory, Raw Materials, Gross","description":"Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.","units":{"USD":[{"end":"2012-04-27","val":4852086,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-04-27","val":4852086,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":4852086,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":4852086,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-07-27","val":7267437,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2I"},{"end":"2012-07-27","val":4373718,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-10-26","val":7790383,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":7475368,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":7267437,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2013-07-26","val":7110648,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"}]}},"InventoryRawMaterialsNetOfReserves":{"label":"Inventory, Raw Materials, Net of Reserves","description":"Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.","units":{"USD":[{"end":"2012-10-26","val":7267437,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3I"},{"end":"2013-04-26","val":7267437,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":7267437,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-10-25","val":7855245,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":7629702,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":7289543,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":7289543,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":7289543,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":7289543,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":7289543,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":7195423,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":7045887,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":8568513,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":11118311,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":11118311,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":10921201,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"InventoryWorkInProcess":{"label":"Inventory, Work in Process, Gross","description":"Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.","units":{"USD":[{"end":"2012-04-27","val":4057838,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-04-27","val":4057838,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":4057838,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":4057838,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-07-27","val":4813227,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2I"},{"end":"2012-07-27","val":4551558,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-10-26","val":4105161,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":4384388,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":4813227,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2013-07-26","val":4723150,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"}]}},"InventoryWorkInProcessNetOfReserves":{"label":"Inventory, Work in Process, Net of Reserves","description":"Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.","units":{"USD":[{"end":"2012-10-26","val":4813227,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3I"},{"end":"2013-04-26","val":4813227,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":4813227,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-10-25","val":4056915,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":4246468,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":4438280,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":4438280,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":4438280,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":4438280,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":4438280,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":5015521,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":5328003,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":5160967,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":5653250,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":5653250,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":5456541,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"InvestmentIncomeInterest":{"label":"Investment Income, Interest","description":"Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":92602,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":12843,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":89275,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-07-31","end":"2010-10-29","val":76433,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2010Q3"},{"start":"2010-05-01","end":"2011-01-28","val":179239,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-10-30","end":"2011-01-28","val":89963,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2010Q4"},{"start":"2010-05-01","end":"2011-04-29","val":262298,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2010-05-01","end":"2011-04-29","val":262298,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2011-07-29","val":80037,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-07-29","val":80037,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-10-28","val":160319,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2011-10-28","val":160319,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-07-30","end":"2011-10-28","val":80282,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-07-30","end":"2011-10-28","val":80282,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2012-01-27","val":244443,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-01-27","val":244443,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-10-29","end":"2012-01-27","val":84124,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-10-30","end":"2012-01-27","val":84124,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":326118,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011"},{"start":"2011-04-30","end":"2012-04-27","val":326118,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2012-04-28","end":"2012-07-27","val":-21705,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-07-27","val":7079,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-10-26","val":19505,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":12426,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":40634,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":21129,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":84287,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":43415,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2"}]}},"InvestmentIncomeNet":{"label":"Investment Income, Net","description":"Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities.","units":{"USD":[{"start":"2011-04-30","end":"2012-04-27","val":29393,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-10-26","val":-69268,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":-47562,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":-60409,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":8858,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":-35016,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":43415,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":88923,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":88923,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":45508,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":45508,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":128019,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":128019,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":39096,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":39096,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":162218,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":37666,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":37666,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":80823,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":43157,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"},{"start":"2014-04-26","end":"2015-01-23","val":131804,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":50981,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2015-04-25","end":"2015-07-24","val":24846,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"Liabilities":{"label":"Liabilities","description":"Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.","units":{"USD":[{"end":"2011-04-29","val":36015855,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":36015855,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":36015855,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":36015855,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":29867341,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":32445061,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":24581866,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":28438825,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":28438825,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":28438825,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":28438825,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":28438825,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":24010456,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":28705499,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":26018067,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":34475082,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":34475082,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":34475082,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":34475082,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":34475082,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":31155505,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":29683885,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":28935070,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":35091550,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":35091550,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":35091550,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":35091550,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":35091550,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":25599328,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":26854394,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":30270721,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":39370464,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":39370464,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":45044179,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"LiabilitiesAndStockholdersEquity":{"label":"Liabilities and Equity","description":"Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.","units":{"USD":[{"end":"2011-04-29","val":211469205,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":211469205,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":211469205,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":211469205,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":199901869,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":197691327,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":197814442,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":211908195,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":211908195,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":211908195,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":211908195,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":211908195,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":212828397,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":233528977,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":250410287,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":264043310,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":264043310,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":264043310,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":264043310,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":264043310,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":265798765,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":265682604,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":269181993,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":294191394,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":294191394,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":294191394,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":294191394,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":294191394,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":289923233,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":296747726,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":301387066,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":315944195,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":315944195,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":338227386,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"LiabilitiesAssumed1":{"label":"Liabilities Assumed","description":"The fair value of liabilities assumed in noncash investing or financing activities.","units":{"USD":[{"start":"2011-04-30","end":"2011-10-28","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":3649637,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":3600000,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":3600000,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-07-28","end":"2012-10-26","val":3600000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012Q3"},{"start":"2012-09-12","end":"2012-12-07","val":3600000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-01-25","val":3649637,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"}]}},"LiabilitiesCurrent":{"label":"Liabilities, Current","description":"Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.","units":{"USD":[{"end":"2011-04-29","val":29134093,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":29134093,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":29134093,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":29134093,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":23360180,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":26294371,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":18805810,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":23036636,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":23036636,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":23036636,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":23036636,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":23036636,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":18982901,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":24051817,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":21658197,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":29025478,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":29025478,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":29025478,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":29025478,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":29025478,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":26898799,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":25087035,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":23989116,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":29897697,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":29897697,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":29897697,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":29897697,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":29897697,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":24150468,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":25249416,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":26285395,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":31449176,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":31449176,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":36302703,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"LiabilitiesFairValueDisclosureRecurring":{"label":"Liabilities, Fair Value Disclosure, Recurring (Deprecated 2018-01-31)","description":"Aggregation of the liabilities reported on the balance sheet measured at fair value on a recurring basis by the entity.","units":{"USD":[{"end":"2014-04-25","val":500000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q1I"},{"end":"2014-10-24","val":1000000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"}]}},"LiabilitiesNoncurrent":{"label":"Liabilities, Noncurrent","description":"Amount of obligation due after one year or beyond the normal operating cycle, if longer.","units":{"USD":[{"end":"2011-04-29","val":6881762,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":6881762,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":6881762,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":6881762,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":6507161,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":6150690,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":5776056,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":5402189,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":5402189,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":5402189,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":5402189,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":5402189,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":5027555,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":4653682,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":4359870,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":5449604,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":5449604,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":5449604,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":5449604,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":5449604,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":4256706,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":4596850,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":4945954,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":5193853,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":5193853,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":5193853,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":5193853,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":5193853,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":1448860,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":1604978,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":3985326,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":7921288,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":7921288,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":8741476,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"LiabilityForUncertainTaxPositionsNoncurrent":{"label":"Liability for Uncertainty in Income Taxes, Noncurrent","description":"Amount recognized for uncertainty in income taxes classified as noncurrent.","units":{"USD":[{"end":"2012-04-27","val":2260226,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":2260226,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":2260226,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":2260226,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":2260226,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":2260226,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":2260226,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":3599787,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":3599787,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":3599787,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":3599787,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":3599787,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":3706049,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":3883653,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":4050289,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":4257437,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":4257437,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":4257437,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":4257437,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":4257437,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-01-23","val":2108094,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":5782267,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":5782267,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":5782267,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"LongTermInvestments":{"label":"Long-term Investments","description":"The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).","units":{"USD":[{"end":"2012-04-27","val":9508768,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":9508768,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":9508768,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":9508768,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":5450000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":8038200,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":8038200,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":10588202,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":10588202,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":10588202,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":10588202,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":10588202,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":10588202,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":10588202,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":15944427,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":15944427,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":15944427,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":15944427,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q1I"},{"end":"2014-07-25","val":15944427,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":15944427,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"}]}},"LossOnContracts":{"label":"Loss on Contracts","description":"Losses recognized in the current period on contracts which are expected to generate losses, which are probable and can be reasonably estimated, in a future period.","units":{"USD":[{"start":"2013-04-27","end":"2013-07-26","val":7442847,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2"}]}},"MarketableSecuritiesEquitySecurities":{"label":"Marketable Securities, Equity Securities (Deprecated 2018-01-31)","description":"For an unclassified balance sheet, this item represents investments in common and preferred stocks and other forms of securities that provide ownership interests in a corporation.","units":{"USD":[{"end":"2012-04-27","val":4000000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q1I"},{"end":"2012-04-27","val":4000000,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":4000000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-07-27","val":4000000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":6588200,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":6588200,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"}]}},"MoneyMarketFundsAtCarryingValue":{"label":"Money Market Funds, at Carrying Value","description":"Investment in short-term money-market instruments (such as commercial paper, banker's acceptances, repurchase agreements, government securities, certificates of deposit, and so forth) which are highly liquid (that is, readily convertible to known amounts of cash) and so near their maturity that they present an insignificant risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify as cash equivalents by definition. Original maturity means an original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months.","units":{"USD":[{"end":"2012-04-27","val":0,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012Q1I"},{"end":"2013-04-26","val":0,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-04-25","val":3800000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":30200000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":28300000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"NetCashProvidedByUsedInFinancingActivities":{"label":"Net Cash Provided by (Used in) Financing Activities","description":"Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":-7187837,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":-15236144,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":-31955474,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":-43818292,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":-46715882,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":-46715882,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":-5384895,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":-5384895,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":-2878929,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":-2878929,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":-9095156,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":-9095156,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":-18849863,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":-18849863,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":-6812775,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":-6812775,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":-22587853,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":-22587853,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":-34800259,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":-37266821,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":-11794039,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":-24913169,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"}]}},"NetCashProvidedByUsedInFinancingActivitiesContinuingOperations":{"label":"Net Cash Provided by (Used in) Financing Activities, Continuing Operations","description":"Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":-43719151,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":-6609113,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":-5578411,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":-707851,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":-7187837,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":-15236144,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":-31955474,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2012-01-27","val":-43818292,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":-46715882,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":-18849863,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-26","end":"2014-01-24","val":-34800259,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-04-25","val":-37266821,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":-11794039,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2015-01-23","val":-41303287,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":-48255561,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":1038556,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"NetCashProvidedByUsedInInvestingActivities":{"label":"Net Cash Provided by (Used in) Investing Activities","description":"Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":-11387000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":-2788343,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":-19732296,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":-21086464,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":-21984102,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":-21984102,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":-3665358,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":-3665358,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":-9174975,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":-9174975,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":-26603709,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":-26603709,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":-35993220,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":-35993220,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":-17083976,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":-17083976,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":-22579862,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":-22579862,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":-32100434,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":-34411915,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":-1809041,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":-3859359,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"}]}},"NetCashProvidedByUsedInInvestingActivitiesContinuingOperations":{"label":"Net Cash Provided by (Used in) Investing Activities, Continuing Operations","description":"Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":-6222607,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":-3574968,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":-9075390,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":-10039256,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":-11387000,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":-2788343,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":-19732296,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2012-01-27","val":-21086464,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":-21984102,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":-35993220,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-26","end":"2014-01-24","val":-32100434,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-04-25","val":-34411915,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":-1809041,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2015-01-23","val":-8567932,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":-9765000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":18354336,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"NetCashProvidedByUsedInOperatingActivities":{"label":"Net Cash Provided by (Used in) Operating Activities","description":"Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":49872107,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":9960760,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":31646264,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":52736061,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":75026165,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":75026165,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":14931815,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":14931815,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":34077072,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":34077072,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":55705285,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":55705285,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":79053759,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":79053759,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":9487656,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":9487656,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":22117082,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":22117082,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":37748283,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":54195816,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":18097791,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":42628686,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"}]}},"NetCashProvidedByUsedInOperatingActivitiesContinuingOperations":{"label":"Net Cash Provided by (Used in) Operating Activities, Continuing Operations","description":"Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":42885487,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":7511597,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":23864918,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":37097315,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":49872107,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":9960760,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":31646264,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2012-01-27","val":52736061,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":75026165,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":79053759,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-26","end":"2014-01-24","val":37748283,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-04-25","val":54195816,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":18097791,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2015-01-23","val":63501626,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":79675116,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":18738123,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"NetIncomeLoss":{"label":"Net Income (Loss) Attributable to Parent","description":"The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":46725710,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":6884554,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2011-04-30","end":"2011-07-29","val":6884554,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":15912328,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":9027774,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":9027774,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":25414512,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":9502184,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":9502184,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011Q4"},{"start":"2011-04-30","end":"2012-04-27","val":36077732,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":36077732,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-01-28","end":"2012-04-27","val":10663220,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1"},{"start":"2012-04-28","end":"2012-07-27","val":8075033,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":8075033,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2012-07-27","val":8075033,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2012-04-28","end":"2012-07-27","val":8075033,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":21641937,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":21641937,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":13566904,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":13566904,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-07-28","end":"2012-10-26","val":13566904,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":13566904,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":34825431,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":34825431,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":13183494,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":13183494,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-10-27","end":"2013-01-25","val":13183494,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":13183494,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":46357502,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":46357502,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":46357502,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-01-26","end":"2013-04-26","val":11532071,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2013-01-26","end":"2013-04-26","val":11532071,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1"},{"start":"2013-04-27","end":"2013-07-26","val":8673926,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":8673926,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2013-07-26","val":8673926,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2013-04-27","end":"2013-07-26","val":8673926,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":22562388,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":22562388,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":13888462,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":13888462,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-27","end":"2013-10-25","val":13888462,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-07-27","end":"2013-10-25","val":13888462,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"start":"2013-04-26","end":"2014-01-24","val":36462251,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":36462251,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":13899863,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":13899863,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-10-26","end":"2014-01-24","val":13899863,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-10-26","end":"2014-01-24","val":13899863,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":54890257,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":54890257,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-01-25","end":"2014-04-25","val":18428006,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2014-01-25","end":"2014-04-25","val":18428006,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1"},{"start":"2014-04-26","end":"2014-07-25","val":13518822,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":13518822,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"start":"2014-04-26","end":"2014-07-25","val":13518822,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":30792012,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":17273190,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":17273190,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q3"},{"start":"2014-04-26","end":"2015-01-23","val":47333472,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":16541460,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":16541460,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":57847534,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-01-24","end":"2015-04-24","val":10514062,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1"},{"start":"2015-04-25","end":"2015-07-24","val":12419168,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"NetIncomeLossAttributableToParentDiluted":{"label":"Net Income (Loss) Attributable to Parent, Diluted","description":"The portion of profit or loss for the period, net of income taxes, which is attributable to the parent, and includes adjustments resulting from the assumption that dilutive convertible securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":46837771,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":6924235,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":15991779,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":9067500,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":25486307,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":9496953,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-04-30","end":"2012-04-27","val":36175218,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":36175218,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":8075033,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":21641937,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":13566904,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":34825431,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":13183494,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":46357502,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":46357502,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":54890257,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"}]}},"NetIncomeLossAvailableToCommonStockholdersBasic":{"label":"Net Income (Loss) Available to Common Stockholders, Basic","description":"Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":78448884,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":7163296,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":32104541,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-07-31","end":"2010-10-29","val":24941245,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2010Q3"},{"start":"2010-05-01","end":"2011-01-28","val":39296513,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-10-30","end":"2011-01-28","val":7191972,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2010Q4"},{"start":"2010-05-01","end":"2011-04-29","val":46725710,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":6884554,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":15912328,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-07-30","end":"2011-10-28","val":9027774,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":25414512,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-10-30","end":"2012-01-27","val":9502184,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4"},{"start":"2011-04-30","end":"2012-04-27","val":36077732,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011"}]}},"NoncurrentAssets":{"label":"Long-Lived Assets","description":"Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.","units":{"USD":[{"end":"2011-04-29","val":8203392,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011Q1I"},{"end":"2012-04-27","val":22160671,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2012-04-27","val":22160671,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012Q1I"},{"end":"2013-04-26","val":28555742,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":28555742,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2014-04-25","val":39534873,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":39534873,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q1I"},{"end":"2014-10-24","val":40594501,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"}]}},"NotionalAmountOfForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments":{"label":"Notional Amount of Foreign Currency Derivative Instruments Not Designated as Hedging Instruments (Deprecated 2013-01-31)","description":"Aggregate notional amount of all foreign currency derivatives not designated as hedging instruments. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.","units":{"EUR":[{"end":"2012-07-27","val":10000000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":10000000,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"}]}},"NotionalAmountOfForeignCurrencyDerivatives":{"label":"Notional Amount of Foreign Currency Derivatives (Deprecated 2013-01-31)","description":"Aggregate notional amount of foreign currency exchange rate derivatives. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.","units":{"EUR":[{"end":"2011-04-29","val":24300000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011Q1I"},{"end":"2012-04-27","val":31500000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"}]}},"NumberOfCountriesInWhichEntityOperates":{"label":"Number of Countries in which Entity Operates","description":"The number of countries in which the entity operates as of balance sheet date.","units":{"country":[{"end":"2015-01-23","val":73,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-07-24","val":81,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"NumberOfOperatingSegments":{"label":"Number of Operating Segments","description":"Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.","units":{"segment":[{"start":"2014-04-26","end":"2015-01-23","val":1,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":1,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":1,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"OperatingExpenses":{"label":"Operating Expenses","description":"Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":110006205,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":27645363,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":56790730,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-07-31","end":"2010-10-29","val":29145369,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2010Q3"},{"start":"2010-05-01","end":"2011-01-28","val":86363619,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-10-30","end":"2011-01-28","val":29572888,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2010Q4"},{"start":"2010-05-01","end":"2011-04-29","val":118256723,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":118256723,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":34229856,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":34229856,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":68697513,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":68697513,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":34467658,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-07-30","end":"2011-10-28","val":34467658,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":102736366,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":102736366,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":34038853,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-10-30","end":"2012-01-27","val":34038853,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":137903546,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":137903546,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":137903546,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":38042619,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":38042619,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":75654515,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":75654515,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":37611896,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":37611896,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":112545772,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":112545772,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":36891257,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":36891257,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":154066706,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":154066706,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":154066706,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":48724283,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":48724283,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":90011657,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":90011657,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":41287375,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":41287375,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":130640873,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":130640873,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":40629216,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":40629216,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":174647519,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":174647519,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":43590360,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":43590360,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":83979982,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":40389622,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"},{"start":"2014-04-26","end":"2015-01-23","val":125838902,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":41858920,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":175595411,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":50315858,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"OperatingIncomeLoss":{"label":"Operating Income (Loss)","description":"The net result for the period of deducting operating expenses from operating revenues.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":36861872,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":11691198,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":24456130,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-07-31","end":"2010-10-29","val":12764931,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2010Q3"},{"start":"2010-05-01","end":"2011-01-28","val":36157316,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-10-30","end":"2011-01-28","val":11701186,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2010Q4"},{"start":"2010-05-01","end":"2011-04-29","val":49187643,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":49187643,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":11510186,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":11510186,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":26576925,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":26576925,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":15066739,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-07-30","end":"2011-10-28","val":15066739,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":42975169,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":42975169,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":16398243,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-10-30","end":"2012-01-27","val":16398243,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":60942853,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":60942853,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":60942853,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":17267376,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":17267376,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":37441320,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":37441320,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":20173945,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":20173945,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":57882878,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":57882878,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":20441558,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":20441558,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":78346447,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":78346447,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":78346447,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":13604041,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":13604041,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":35491680,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":35491680,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":21887638,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":21887638,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":56593730,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":56593730,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":21102050,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":21102050,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":80011750,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":80011750,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":22003214,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":22003214,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":48264914,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":26261700,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"},{"start":"2014-04-26","end":"2015-01-23","val":71931358,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":23666444,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":88651718,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":21261847,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"OperatingLeasesFutureMinimumPaymentsDue":{"label":"Operating Leases, Future Minimum Payments Due","description":"Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.","units":{"USD":[{"end":"2012-10-26","val":2200000,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":2200000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-03-31","val":2200000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"}]}},"OperatingLeasesFutureMinimumPaymentsDueCurrent":{"label":"Operating Leases, Future Minimum Payments Due, Next Twelve Months","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2013-04-26","val":1458432,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2014-04-25","val":1569035,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q1I"},{"end":"2015-04-24","val":1133282,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInFiveYears":{"label":"Operating Leases, Future Minimum Payments, Due in Five Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2013-04-26","val":407569,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2014-04-25","val":311437,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q1I"},{"end":"2015-04-24","val":214532,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInFourYears":{"label":"Operating Leases, Future Minimum Payments, Due in Four Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2013-04-26","val":590394,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2014-04-25","val":433988,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q1I"},{"end":"2015-04-24","val":324006,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInThreeYears":{"label":"Operating Leases, Future Minimum Payments, Due in Three Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2013-04-26","val":1170269,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2014-04-25","val":709047,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q1I"},{"end":"2015-04-24","val":530140,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInTwoYears":{"label":"Operating Leases, Future Minimum Payments, Due in Two Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2013-04-26","val":1296274,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2014-04-25","val":1403468,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q1I"},{"end":"2015-04-24","val":825632,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"OperatingLeasesFutureMinimumPaymentsDueThereafter":{"label":"Operating Leases, Future Minimum Payments, Due Thereafter","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2013-04-26","val":857786,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2014-04-25","val":603036,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q1I"},{"end":"2015-04-24","val":391438,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"OperatingLeasesRentExpenseNet":{"label":"Operating Leases, Rent Expense, Net","description":"Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":3400000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":1400000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":1400000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":700000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":700000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":736000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-26","end":"2014-01-24","val":664000,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-04-25","val":900000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":905000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":609426,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2015-01-23","val":647000,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":830000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":471377,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"OtherAccruedLiabilitiesCurrent":{"label":"Other Accrued Liabilities, Current","description":"Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2012-04-27","val":1804481,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":1804481,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":1804481,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":1804481,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":1942694,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":2043250,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":2184585,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":2539385,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":2539385,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":2539385,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":2539385,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":3090082,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":2048440,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":2669612,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":4023693,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":4143832,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":3542128,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":3542128,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":3542128,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":3542128,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":3043445,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":2839846,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":4352766,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":3258827,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":3258827,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":3427207,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"OtherAccruedLiabilitiesNoncurrent":{"label":"Other Accrued Liabilities, Noncurrent","description":"Amount of expenses incurred but not yet paid classified as other, due after one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2012-04-27","val":180126,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":180126,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":180126,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":180126,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":178984,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":178603,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":258283,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":381948,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":381948,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":381948,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":1467869,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":381948,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":550657,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":713197,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-04-25","val":936416,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":936416,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":936416,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q1I"},{"end":"2014-07-25","val":1448860,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":1604978,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"}]}},"OtherAssetsCurrent":{"label":"Other Assets, Current","description":"Amount of current assets classified as other.","units":{"USD":[{"end":"2011-04-29","val":4698097,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":4698097,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":4698097,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":4698097,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":3726193,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":2262893,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":3939625,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":3801705,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":3801705,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":3801705,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":3801705,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":3801705,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":2756742,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":2088527,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":3113665,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":4083640,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":4083640,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":4183213,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":4183213,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":4183213,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":3755320,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":4247646,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":6532167,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":6590612,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":6590612,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":6590612,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":6590612,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":6590612,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":5941944,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":5599381,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":6665599,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":7782875,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":7782875,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":6745856,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"OtherAssetsNoncurrent":{"label":"Other Assets, Noncurrent","description":"Amount of noncurrent assets classified as other.","units":{"USD":[{"end":"2011-04-29","val":1080727,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":1080727,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":1080727,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":1080727,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":916200,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":737242,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":527767,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":360659,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":360659,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":360659,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":360659,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":360659,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":292028,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":395223,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":407282,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":495738,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":495738,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":495738,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":495738,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":495738,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":475591,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":594074,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":638723,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":855558,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":855558,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":855558,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":855558,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":855558,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":1244242,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":1232850,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":1416231,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":1563529,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":1563529,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":2007970,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent":{"label":"Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent","description":"Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity.","units":{"USD":[{"start":"2012-04-28","end":"2013-04-26","val":-253824,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-26","end":"2014-01-24","val":241050,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-10-26","end":"2014-01-24","val":-196331,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":286873,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":-90880,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2015-01-23","val":-3378825,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":-2177208,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":-3855620,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":164060,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax":{"label":"Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax","description":"Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":174045,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2011-04-29","val":-507688,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":993286,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011"},{"start":"2014-04-26","end":"2014-07-25","val":-90880,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":-1201616,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"}]}},"OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax":{"label":"Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax","description":"Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":-507688,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":164299,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":278145,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":113846,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":960840,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":682695,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-04-30","end":"2012-04-27","val":993286,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":993286,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":-679795,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":-679795,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":-288187,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":-288187,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":391608,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":391608,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":59608,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":59608,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":347796,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":347796,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":-253824,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":-253824,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":8452,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":8452,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":437381,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":437381,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":428928,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":428928,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":241050,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":-196331,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":286873,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":-90880,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":-1201616,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":-1110736,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"}]}},"OtherComprehensiveIncomeLossNetOfTax":{"label":"Other Comprehensive Income (Loss), Net of Tax","description":"Amount after tax and reclassification adjustments of other comprehensive income (loss).","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":-507688,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":164299,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":278145,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":113846,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":960840,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":682695,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-04-30","end":"2012-04-27","val":993286,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":993286,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":-679795,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":-679795,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":-288187,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":-288187,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":391608,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":391608,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":59608,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":59608,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":347796,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":347796,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":-253824,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":-253824,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":8452,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":8452,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":437381,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":437381,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":428928,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":428928,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":241050,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":-196331,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":286873,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":-90880,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":-1201616,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":-1110736,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"}]}},"OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent":{"label":"Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent","description":"Amount after tax of other comprehensive income (loss) attributable to parent entity.","units":{"USD":[{"start":"2012-04-28","end":"2013-04-26","val":-253824,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-26","end":"2014-01-24","val":241050,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-10-26","end":"2014-01-24","val":-196331,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":286873,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":-90880,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2015-01-23","val":-3378825,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":-2177208,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":-3855620,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":164060,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"OtherLiabilitiesNoncurrent":{"label":"Other Liabilities, Noncurrent","description":"Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2014-04-25","val":454011,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":454011,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-01-23","val":735071,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":827827,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":827827,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":1299713,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"OtherNonoperatingIncomeExpense":{"label":"Other Nonoperating Income (Expense)","description":"Amount of income (expense) related to nonoperating activities, classified as other.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":-387035,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":117553,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":-211929,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":-329483,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":-481730,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":-269800,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-04-30","end":"2012-04-27","val":-550818,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":-550818,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":67348,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":67348,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":-57895,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":-57895,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":-125243,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":-125243,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":-174270,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":-174270,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":-116375,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":-116375,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":-303612,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":-303612,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":-303612,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":-130691,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":-130691,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":-171473,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":-171473,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":-40782,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":-40782,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":-206405,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":-206405,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":-34932,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":-34932,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":-295272,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":-295272,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":171455,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":171455,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":164331,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":-7124,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"},{"start":"2014-04-26","end":"2015-01-23","val":367255,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":202924,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":479471,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":-3948,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"OtherShortTermInvestments":{"label":"Other Short-term Investments","description":"Amount of short-term investments classified as other.","units":{"USD":[{"end":"2012-04-27","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-01-25","val":15000000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":15000000,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q1I"},{"end":"2013-04-26","val":15000000,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":15000000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-07-26","val":24990389,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":24990389,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"}]}},"OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet":{"label":"Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net","description":"The amount of other than temporary impairment (OTTI) losses on equity securities, OTTI related to credit losses on debt securities, and OTTI losses on debt securities when the entity intends to sell the securities or it is more likely than not that the entity will be required to sell the securities before recovery of its amortized cost basis. Additionally, this item includes OTTI losses recognized during the period on investments accounted for under the cost method of accounting.","units":{"USD":[{"start":"2014-04-26","end":"2014-07-25","val":0,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2015-04-25","end":"2015-07-24","val":2064283,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities":{"label":"Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities","description":"The amount of other than temporary impairment losses on investments in debt and equity securities categorized as Available-for-sale which have been recognized in earnings during the period. Such impairment losses consist of other than temporary impairments (OTTI) on equity securities, credit losses on investments in debt securities, and when the entity intends to sell an impaired debt security or it is more likely than not that the entity will be required to sell the impaired debt security before recovery of its amortized cost basis.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":0,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-04-30","end":"2012-04-27","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":4058768,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":4508768,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2012-07-27","val":4058768,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":4058768,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":4058768,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":4058768,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":4058768,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":4058768,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":4058768,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":4058768,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"}]}},"PaymentsForProceedsFromHeldtomaturitySecuritiesShortterm":{"label":"Payments for (Proceeds from) Held-to-maturity Securities, Short-term","description":"Amount of cash outflow (inflow) through acquisition (sale) of short-term held-to-maturity securities.","units":{"USD":[{"start":"2012-04-28","end":"2013-04-26","val":15000000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-26","end":"2014-01-24","val":39984639,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-04-25","val":39984639,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":4993541,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2015-01-23","val":31984889,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":31984889,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":6995139,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"PaymentsForRepurchaseOfCommonStock":{"label":"Payments for Repurchase of Common Stock","description":"The cash outflow to reacquire common stock during the period.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":1697861,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":2576878,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":4205503,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":6857039,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":14177574,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":14177574,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":15528299,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":15528299,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":32890411,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":32890411,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":38815838,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":38815838,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":50444649,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":50444649,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":50444649,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":11964983,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":11964983,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":12384771,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":12384771,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":20105481,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":20105481,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":33009394,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":33009394,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":33009394,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":12964495,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":12964495,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":38238364,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":38238364,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":59306059,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":59306059,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":72358863,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":72358863,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":13782231,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":13782231,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":29068101,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-04-26","end":"2015-01-23","val":46665412,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":55015419,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":2230154,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"PaymentsToAcquireAvailableForSaleSecuritiesDebt":{"label":"Payments to Acquire Debt Securities, Available-for-sale","description":"Amount of cash outflow to acquire investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":100000,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-10-29","val":5000000,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":5000000,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":5000000,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2010"},{"start":"2011-04-30","end":"2011-10-28","val":0,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2012-01-27","val":0,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"}]}},"PaymentsToAcquireBuildings":{"label":"Payments to Acquire Buildings","description":"The cash outflow for acquisition of buildings (properties) whether for investment or use.","units":{"USD":[{"start":"2010-05-01","end":"2010-10-29","val":0,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":0,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2011-10-28","val":11712144,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2012-01-27","val":11712144,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":11712144,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011"}]}},"PaymentsToAcquireIntangibleAssets":{"label":"Payments to Acquire Intangible Assets","description":"The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":2000000,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":2635000,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":2995000,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":3245000,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":3844401,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":3844401,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":500000,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":500000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":500000,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":500000,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":500000,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":500000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":500000,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":500000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":500000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":2500000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":2500000,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":2500000,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":2500000,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":2500000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":2500000,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":4600000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":4600000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":4600000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":1250000,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":1250000,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":3539000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":3539000,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":3789000,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":3789000,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":3839000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":3839000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"}]}},"PaymentsToAcquireOtherInvestments":{"label":"Payments to Acquire Other Investments","description":"Amount of cash outflow to acquire investments classified as other.","units":{"USD":[{"start":"2010-05-01","end":"2010-10-29","val":0,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":0,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2011-10-28","val":4000000,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2011-10-28","val":4000000,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2012-01-27","val":4000000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-01-27","val":4000000,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":4000000,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011"},{"start":"2012-04-28","end":"2012-10-26","val":2588200,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2013-01-25","val":2588200,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"}]}},"PaymentsToAcquirePropertyPlantAndEquipment":{"label":"Payments to Acquire Property, Plant, and Equipment","description":"The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":4122607,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":939968,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":2080390,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":2794256,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":3542599,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":3542599,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":2288343,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":2288343,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":3520152,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":15232296,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":4874320,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":16586464,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":5771958,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":17484102,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":17484102,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":1165358,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":1165358,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":4086775,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":4086775,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":6515509,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":6515509,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":9705446,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":9705446,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":9705446,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":5533847,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":5533847,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":9050473,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":9050473,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":12960959,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":12960959,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":15222440,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":15222440,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":1815500,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":1815500,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":3865818,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-04-26","end":"2015-01-23","val":5489521,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":6686589,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":1683892,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"PaymentsToAcquireShortTermInvestments":{"label":"Payments to Acquire Short-term Investments","description":"The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011"},{"start":"2012-04-28","end":"2013-01-25","val":15000000,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":15000000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":15000000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":14990389,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":14990389,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":14990389,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":14990389,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":39984639,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":39984639,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":4993541,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":4993541,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"}]}},"PreferredStockParOrStatedValuePerShare":{"label":"Preferred Stock, Par or Stated Value Per Share","description":"Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.","units":{"USD/shares":[{"end":"2011-04-29","val":0.01,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":0.01,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":0.01,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":0.01,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":0.01,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":0.01,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":0.01,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":0.01,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":0.01,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":0.01,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":0.01,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":0.01,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":0.01,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":0.01,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":0.01,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":0.01,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":0.01,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":0.01,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":0.01,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":0.01,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":0.01,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":0.01,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":0.01,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":0.01,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":0.01,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":0.01,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":0.01,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":0.01,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":0.01,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":0.01,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":0.01,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":0.01,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":0.01,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":0.01,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"PreferredStockSharesAuthorized":{"label":"Preferred Stock, Shares Authorized","description":"The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.","units":{"shares":[{"end":"2011-04-29","val":2500000,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":2500000,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":2500000,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":2500000,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":2500000,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":2500000,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":2500000,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":2500000,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":2500000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":2500000,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":2500000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":2500000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":2500000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":2500000,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":2500000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":2500000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":2500000,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":2500000,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":2500000,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":2500000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":2500000,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":2500000,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":2500000,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":2500000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":2500000,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":2500000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":2500000,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":2500000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":2500000,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":2500000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":2500000,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":2500000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":2500000,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":2500000,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"PreferredStockSharesIssued":{"label":"Preferred Stock, Shares Issued","description":"Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.","units":{"shares":[{"end":"2011-04-29","val":0,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":0,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":0,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":0,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":0,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":0,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":0,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":0,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":0,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":0,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":0,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":2500000,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":0,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":0,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":2500000,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-04-25","val":0,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":0,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":0,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":0,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":0,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":0,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":0,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":0,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":0,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":0,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":0,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"PreferredStockSharesOutstanding":{"label":"Preferred Stock, Shares Outstanding","description":"Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.","units":{"shares":[{"end":"2011-04-29","val":0,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":0,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":0,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":0,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":0,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":0,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":0,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":0,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":0,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":0,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":0,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":2500000,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":0,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":0,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":2500000,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-04-25","val":0,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":0,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":0,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":0,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":0,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":0,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":0,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":0,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":0,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":0,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":0,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"PreferredStockValue":{"label":"Preferred Stock, Value, Issued","description":"Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.","units":{"USD":[{"end":"2011-04-29","val":0,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":0,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":0,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q1I"},{"end":"2011-07-29","val":0,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":0,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":0,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":0,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":0,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":0,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":0,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":0,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":0,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":0,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":0,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":0,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":0,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":0,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":0,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":0,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":0,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q1I"},{"end":"2014-07-25","val":0,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":0,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-04-24","val":0,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":0,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"ProceedsAndExcessTaxBenefitFromSharebasedCompensation":{"label":"Proceeds and Excess Tax Benefit from Share-based Compensation","description":"The aggregate cash inflow comprised of the amount received from (a) employees to acquire the entity's shares under incentive awards, including stock option exercises and restricted stock arrangements, and (b) the excess tax benefit arising from such transactions.","units":{"USD":[{"start":"2012-04-28","end":"2013-04-26","val":12400000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":11700000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"}]}},"ProceedsFromConvertibleDebt":{"label":"Proceeds from Convertible Debt","description":"The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.","units":{"USD":[{"start":"2005-09-01","end":"2005-09-30","val":121,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"}]}},"ProceedsFromHedgeFinancingActivities":{"label":"Proceeds from Hedge, Financing Activities","description":"The cash inflow from a financial contract that meets the hedge criteria as either cash flow hedge, fair value hedge or hedge of net investment in foreign operations.","units":{"USD":[{"start":"2005-09-01","end":"2005-09-30","val":98300000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"}]}},"ProceedsFromIssuanceOfWarrants":{"label":"Proceeds from Issuance of Warrants","description":"The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).","units":{"USD":[{"start":"2005-09-26","end":"2005-09-27","val":25200000,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2005-09-26","end":"2005-09-27","val":25200000,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2005-09-01","end":"2005-09-30","val":25200000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2005-09-01","end":"2005-09-30","val":25200000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2005-09-01","end":"2005-09-30","val":25200000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2005Q3I"},{"start":"2012-04-28","end":"2012-07-27","val":25200000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":25200000,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2013-01-25","val":25200000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"}]}},"ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities":{"label":"Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities","description":"The cash inflow associated with the maturity, prepayments and calls (requests for early payments) of debt securities designated as held-to-maturity.","units":{"USD":[{"start":"2013-04-26","end":"2014-01-24","val":29990389,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-04-25","val":29990389,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":5000000,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2015-01-23","val":30088978,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":30088978,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":27033367,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments":{"label":"Proceeds from Sale, Maturity and Collection of Short-term Investments","description":"The cash inflow from sales, maturities, prepayments, calls and collections of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term.","units":{"USD":[{"start":"2013-04-27","end":"2013-07-26","val":5000000,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":5000000,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":5000000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":5000000,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":29990389,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":29990389,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":5000000,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":5000000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"}]}},"ProceedsFromStockOptionsExercised":{"label":"Proceeds from Stock Options Exercised","description":"Amount of cash inflow from exercise of option under share-based payment arrangement.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":1024960,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":4209025,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":6868352,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":14390448,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":15230997,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":15230997,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":292155,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":292155,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":934937,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":934937,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":2041546,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":2041546,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":10772767,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":10772767,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":10772767,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":6179777,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":6179777,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":8979217,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":8979217,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":8969626,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":8969626,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":9742948,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":9742948,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":9742948,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":2613639,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":2613639,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":4819184,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":4819184,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":8283999,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":8283999,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":9737212,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":9737212,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":1509758,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":1509758,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":2353728,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-04-26","end":"2015-01-23","val":3014296,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":3184093,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":3458205,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"PropertyPlantAndEquipmentGross":{"label":"Property, Plant and Equipment, Gross","description":"Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.","units":{"USD":[{"end":"2012-04-27","val":49992309,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":49992309,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":49992309,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":49992309,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":51067344,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":54005543,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":56347950,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":58823611,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":58823611,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":58823611,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":58823611,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":58823611,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":64343479,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":67454248,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":70219423,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":72488643,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":72488643,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":72488643,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":72488643,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":72488643,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":74199825,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":75840914,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":75386884,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":75711731,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":75711731,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":77402370,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"PropertyPlantAndEquipmentNet":{"label":"Property, Plant and Equipment, Net","description":"Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.","units":{"USD":[{"end":"2011-04-29","val":8203392,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":8203392,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":8203392,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":8203392,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":9739559,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":21843766,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":22046631,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":22160671,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":22160671,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":22160671,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":22160671,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":22160671,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":22387709,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":24344266,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":25878293,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":28555742,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":28555742,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":28555742,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":28555742,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":28555742,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":33093311,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":35612591,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":38376351,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":39534873,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":39534873,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":39534873,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":39534873,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":39534873,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":40088068,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":40594501,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":40860214,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":40286676,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":40286676,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":40735064,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"RecognitionOfDeferredRevenue":{"label":"Recognition of Deferred Revenue","description":"The amount of previously reported deferred or unearned revenue that was recognized as revenue during the period. For cash flows, this element primarily pertains to amortization of deferred credits on long-term arrangements. As a noncash item, it is deducted from net income when calculating cash provided by or used in operations using the indirect method.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":1522698,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":-373493,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":-746985,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":1120476,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":1493969,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":1493969,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":-373492,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":373492,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":-746984,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":746984,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-04-30","end":"2012-01-27","val":1120476,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":1120476,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":1493968,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":1493968,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":1493968,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":373492,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":373492,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":746984,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":746984,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-04-28","end":"2013-01-25","val":1120476,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":1120476,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-04-28","end":"2013-04-26","val":1493968,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":1493968,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":1493968,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":1467869,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":1467869,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":1467869,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":1467869,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":1467869,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":1467869,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":1467869,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":1467869,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"}]}},"RepaymentsOfConvertibleDebt":{"label":"Repayments of Convertible Debt","description":"The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":43046250,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":8241260,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":8241260,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":8241260,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":8241260,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":8241260,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":0,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":0,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2012-01-27","val":7044000,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":-7044000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-04-30","end":"2012-04-27","val":7044000,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":7044000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":7044000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"}]}},"ResearchAndDevelopmentExpense":{"label":"Research and Development Expense","description":"The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":22064800,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":6468867,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":13494768,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-07-31","end":"2010-10-29","val":7025901,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2010Q3"},{"start":"2010-05-01","end":"2011-01-28","val":20989588,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-10-30","end":"2011-01-28","val":7494820,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2010Q4"},{"start":"2010-05-01","end":"2011-04-29","val":28602684,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":28602684,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":8221426,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":8221426,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":17108850,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":17108850,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":8887425,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-07-30","end":"2011-10-28","val":8887425,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":26206572,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":26206572,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":9097722,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-10-30","end":"2012-01-27","val":9097722,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":35334770,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":35334770,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":35334770,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":9719303,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":9719303,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":19761719,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":19761719,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":10042416,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":10042416,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":30006041,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":30006041,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":10244322,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":10244322,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":41551444,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":41551444,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":41551444,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":11975165,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":11975165,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":23628615,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":23628615,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":11653450,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":11653450,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":34830490,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":34830490,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":11201876,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":11201876,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":46562775,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":46562775,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":10562754,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":10562754,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":21379622,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":10816868,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"},{"start":"2014-04-26","end":"2015-01-23","val":31909949,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":10530327,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":43284432,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":10061267,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"RestrictedCashAndCashEquivalentsAtCarryingValue":{"label":"Restricted Cash and Cash Equivalents, Current","description":"Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.","units":{"USD":[{"end":"2012-04-27","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2013-04-26","val":99573,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q1I"},{"end":"2013-04-26","val":99573,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-07-26","val":409313,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"}]}},"RetainedEarningsAccumulatedDeficit":{"label":"Retained Earnings (Accumulated Deficit)","description":"The cumulative amount of the reporting entity's undistributed earnings or deficit.","units":{"USD":[{"end":"2011-04-29","val":-117346223,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":-117346223,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":-117346223,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":-117346223,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":-110461669,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":-101433895,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":-91931711,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":-81268491,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":-81268491,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":-81268491,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":-81268491,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":-81268491,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":-73193458,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":-59626554,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":-46443060,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":-34910989,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":-34910989,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":-34910989,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":-34910989,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":-34910989,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":-26237063,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":-12348601,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":1551262,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":19979268,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":19979268,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":19979268,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":19979268,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":19979268,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":33498090,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":50771280,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":67312740,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":77826802,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":77826802,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":90245970,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"Revenues":{"label":"Revenues","description":"Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":190464398,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":218502731,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":218502731,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":254320417,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":254320417,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":68872357,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":138973476,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-07-26","end":"2013-10-25","val":70101119,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-04-27","end":"2014-04-25","val":282014160,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":72003966,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":145421160,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":73417194,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"}]}},"SalesRevenueNet":{"label":"Revenue, Net (Deprecated 2018-01-31)","description":"Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":167775672,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":44798763,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":92260332,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-07-31","end":"2010-10-29","val":47461569,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2010Q3"},{"start":"2010-05-01","end":"2011-01-28","val":139341809,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-10-30","end":"2011-01-28","val":47081476,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2010Q4"},{"start":"2010-05-01","end":"2011-04-29","val":190464398,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":190464398,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":52662076,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":52662076,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2011-04-30","end":"2011-07-29","val":52662076,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":106357137,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":106357137,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":53695061,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-07-30","end":"2011-10-28","val":53695061,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":53695061,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":160893723,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":160893723,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":54536585,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":54536585,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011Q4"},{"start":"2011-10-30","end":"2012-01-27","val":54536585,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":218502731,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":218502731,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":218502731,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-01-28","end":"2012-04-27","val":57609009,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1"},{"start":"2012-04-28","end":"2012-07-27","val":60321172,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":60321172,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2012-07-27","val":60321172,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2012-04-28","end":"2012-07-27","val":60321172,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":123276816,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":123276816,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":62955645,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":62955645,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-07-28","end":"2012-10-26","val":62955645,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":62955645,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":185976849,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":185976849,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":62700033,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":62700033,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-10-27","end":"2013-01-25","val":62700033,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":62700033,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":254320417,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":254320417,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":254320417,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-01-26","end":"2013-04-26","val":68343567,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2013-01-26","end":"2013-04-26","val":68343567,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1"},{"start":"2013-04-27","end":"2013-07-26","val":68872357,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":68872357,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2013-07-26","val":68872357,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2013-04-27","end":"2013-07-26","val":68872357,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":138973476,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":138973476,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":70101119,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":70101119,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-27","end":"2013-10-25","val":70101119,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-07-27","end":"2013-10-25","val":70101119,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"start":"2013-04-26","end":"2014-01-24","val":207164890,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":207164890,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":68191414,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":68191414,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-10-26","end":"2014-01-24","val":68191414,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-10-26","end":"2014-01-24","val":68191414,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":282014160,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":282014160,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-01-25","end":"2014-04-25","val":74849270,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2014-01-25","end":"2014-04-25","val":74849270,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1"},{"start":"2014-04-26","end":"2014-07-25","val":72003966,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":72003966,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"start":"2014-04-26","end":"2014-07-25","val":72003966,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":145421160,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":73417194,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":73417194,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q3"},{"start":"2014-04-26","end":"2015-01-23","val":217486391,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":72065231,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":72065231,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":291557998,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-01-24","end":"2015-04-24","val":74071607,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1"},{"start":"2015-04-25","end":"2015-07-24","val":81010801,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"SellingGeneralAndAdministrativeExpense":{"label":"Selling, General and Administrative Expense","description":"The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":87941405,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":21176496,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":43295962,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-07-31","end":"2010-10-29","val":22119468,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2010Q3"},{"start":"2010-05-01","end":"2011-01-28","val":65374031,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-10-30","end":"2011-01-28","val":22078068,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2010Q4"},{"start":"2010-05-01","end":"2011-04-29","val":89654039,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":89654039,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":26008430,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":26008430,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":51588663,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":51588663,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":25580233,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-07-30","end":"2011-10-28","val":25580233,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":76529794,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":76529794,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":24941131,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-10-30","end":"2012-01-27","val":24941131,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":102568776,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":102568776,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":102568776,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":28323316,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":28323316,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":55892796,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":55892796,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":27569480,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":27569480,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":82539731,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":82539731,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":26646935,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":26646935,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":112515262,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":112515262,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":112515262,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":29306271,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":29306271,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":58940195,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":58940195,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":29633925,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":29633925,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":88367536,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":88367536,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":29427340,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":29427340,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":120641897,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":120641897,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":33027606,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":33027606,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":62600360,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":29572754,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"},{"start":"2014-04-26","end":"2015-01-23","val":93928953,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":31328593,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":123618907,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":33705749,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"ShareBasedCompensation":{"label":"Share-based Payment Arrangement, Noncash Expense","description":"Amount of noncash expense for share-based payment arrangement.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":8622949,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":1317605,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":3073041,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-05-01","end":"2011-01-28","val":4752137,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-05-01","end":"2011-04-29","val":6365003,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":6365003,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":2714933,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":2714933,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":5589595,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":5589595,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":2874662,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":8430939,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":8430939,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":2841344,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-04-30","end":"2012-04-27","val":11102237,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":11102237,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":11102237,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":4406533,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":4406533,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":6846188,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":6846188,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":2439655,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":2439655,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":9109422,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":9109422,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":2263234,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":2263234,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":11683249,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":11683249,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":11683249,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":3153499,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":3153499,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":5749368,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":5749368,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":2595869,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":2595869,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":8392443,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":8392443,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":2643075,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":11239987,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":11239987,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":3512443,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":3512443,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":6194892,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":2682449,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"},{"start":"2014-04-26","end":"2015-01-23","val":9446537,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":11939894,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":3108138,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate","description":"The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.","units":{"pure":[{"start":"2010-05-01","end":"2011-04-29","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum","description":"The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.","units":{"pure":[{"start":"2010-05-01","end":"2011-04-29","val":0.5254,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":0.5907,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":0.5907,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":0.5114,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":0.5114,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":0.5114,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":0.4359,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":0.4359,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":0.4109,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum","description":"The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.","units":{"pure":[{"start":"2010-05-01","end":"2011-04-29","val":0.4514,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":0.4704,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":0.4704,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":0.4495,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":0.4495,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":0.4495,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":0.4041,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":0.4041,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":0.3167,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum","description":"The maximum risk-free interest rate assumption that is used in valuing an option on its own shares.","units":{"pure":[{"start":"2010-05-01","end":"2011-04-29","val":0.025,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":0.0223,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":0.0223,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":0.0157,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":0.0157,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":0.0157,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":0.0201,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":0.0201,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":0.0198,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum","description":"The minimum risk-free interest rate assumption that is used in valuing an option on its own shares.","units":{"pure":[{"start":"2010-05-01","end":"2011-04-29","val":0.0118,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":0.0073,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":0.0073,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":0.0094,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":0.0094,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":0.0094,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":0.0136,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":0.0136,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":0.016,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized","description":"Number of shares authorized for issuance under share-based payment arrangement.","units":{"shares":[{"end":"2013-04-26","val":19550000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number","description":"The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.","units":{"shares":[{"end":"2015-04-24","val":509136,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price","description":"The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.","units":{"USD/shares":[{"end":"2015-04-24","val":30.15,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value","description":"Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":9632100,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":5636206,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":5636206,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":11475610,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":11475610,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":11475610,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":14209939,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":14209939,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":3973318,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period","description":"Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.","units":{"shares":[{"start":"2012-04-28","end":"2012-07-27","val":1000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":1000,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2013-01-25","val":1267,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-04-26","val":1267,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":0,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2"},{"start":"2013-04-27","end":"2013-10-25","val":0,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":0,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":0,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":360,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period","description":"The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.","units":{"shares":[{"start":"2012-04-28","end":"2012-07-27","val":0,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":7161,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2013-01-25","val":14131,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-04-26","val":15772,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":2970,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2"},{"start":"2013-04-27","end":"2013-10-25","val":4052,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":5739,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":5967,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":32355,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures","description":"Net number of share options (or share units) granted during the period.","units":{"shares":[{"start":"2012-04-28","end":"2012-07-27","val":195305,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":197500,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2013-01-25","val":216802,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-04-26","val":238459,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":241805,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2"},{"start":"2013-04-27","end":"2013-10-25","val":251777,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":251777,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":257277,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross","description":"Gross number of share options (or share units) granted during the period.","units":{"shares":[{"start":"2014-04-26","end":"2015-04-24","val":273445,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value","description":"The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.","units":{"USD/shares":[{"start":"2010-05-01","end":"2011-04-29","val":11.78,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":12.31,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":12.31,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":20.55,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":20.55,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":20.55,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":23.29,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":23.29,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":18.64,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value","description":"Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.","units":{"USD":[{"end":"2012-07-27","val":24062299,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":24776062,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":18975803,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":18164690,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2013-07-26","val":25944726,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":29099793,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":35188602,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":25341486,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q1I"},{"end":"2015-04-24","val":24325619,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number","description":"Number of options outstanding, including both vested and non-vested options.","units":{"shares":[{"end":"2012-04-27","val":1441057,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":1441057,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":1441057,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":1441057,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":1369962,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":1258671,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":1176229,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":1161427,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":1161427,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":1161427,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":1161427,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":1161427,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":1281805,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":1194074,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":1068482,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":1012387,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":1012387,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":1125738,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price","description":"Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.","units":{"USD/shares":[{"end":"2012-04-27","val":23.75,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":23.75,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":23.75,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":23.75,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":26.53,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":26.59,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":27.18,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":27.67,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":27.67,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":27.67,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":27.67,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":27.67,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":32.78,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":33.73,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":34.43,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":35.25,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":35.25,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":41.33,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number","description":"Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"shares":[{"end":"2012-07-27","val":778478,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":680694,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":608752,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":577403,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2013-07-26","val":665515,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":572185,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":463032,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":408300,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price","description":"Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"USD/shares":[{"end":"2012-07-27","val":23.85,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":23.44,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":23.35,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":23.4,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2013-07-26","val":24.56,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":24.89,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":24.59,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":25.04,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value","description":"Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"USD":[{"end":"2012-07-27","val":23500223,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":24247610,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":18666528,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":17922143,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2013-07-26","val":25514147,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":28536050,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":34417121,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":24926902,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q1I"},{"end":"2015-04-24","val":24061989,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number","description":"Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"shares":[{"end":"2012-07-27","val":1325888,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":1220902,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":1142951,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":1130897,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2013-07-26","val":1235814,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":1153851,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":1034376,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":983327,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q1I"},{"end":"2015-04-24","val":1095446,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price","description":"Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"USD/shares":[{"end":"2012-07-27","val":26.36,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":26.41,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":26.98,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":27.45,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2013-07-26","val":32.38,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":33.38,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":34.09,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":34.93,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q1I"},{"end":"2015-04-24","val":40.98,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesToBeRepurchasedNextYear":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Shares to be Repurchased Next Year","description":"An entity expecting to repurchase shares in the following period, generally discloses an estimate of the amount or range of shares to be repurchased.","units":{"shares":[{"start":"2012-04-28","end":"2013-04-26","val":58819,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price","description":"Weighted average price at which option holders acquired shares when converting their stock options into shares.","units":{"USD/shares":[{"start":"2012-04-28","end":"2012-07-27","val":23.14,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":24.05,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2013-01-25","val":24.07,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-04-26","val":23.94,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":21.55,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2"},{"start":"2013-04-27","end":"2013-10-25","val":22.12,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":24.13,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":24.06,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":26.89,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price","description":"Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.","units":{"USD/shares":[{"start":"2012-04-28","end":"2012-07-27","val":42.51,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":42.51,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2013-01-25","val":36.87,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-04-26","val":36.87,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":0,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2"},{"start":"2013-04-27","end":"2013-10-25","val":0,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":0,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":0,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":51.9,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price","description":"Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.","units":{"USD/shares":[{"start":"2012-04-28","end":"2012-07-27","val":0,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":26.75,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2013-01-25","val":27.41,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-04-26","val":28.52,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":39.68,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2"},{"start":"2013-04-27","end":"2013-10-25","val":41.55,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":41.76,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":42.15,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":42.44,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price","description":"Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.","units":{"USD/shares":[{"start":"2012-04-28","end":"2012-07-27","val":42.52,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":42.6,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2013-01-25","val":43.34,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-04-26","val":43.63,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":51.9,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2"},{"start":"2013-04-27","end":"2013-10-25","val":51.89,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":51.89,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":52.18,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":57.29,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value","description":"Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.","units":{"USD":[{"end":"2012-07-27","val":15519897,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":15487186,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":12260480,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":11433687,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2013-07-26","val":19048351,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":19072096,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":19925618,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":14511343,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q1I"},{"end":"2015-04-24","val":16715777,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"StockholdersEquity":{"label":"Stockholders' Equity Attributable to Parent","description":"Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.","units":{"USD":[{"end":"2009-04-24","val":24411844,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009Q1I"},{"end":"2010-04-30","val":110859647,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2010-04-30","val":110859647,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010Q1I"},{"end":"2011-04-29","val":175453350,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":175453350,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":175453350,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":175453350,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2011-04-29","val":175453350,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2011-04-29","val":175453350,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011Q1I"},{"end":"2011-07-29","val":170034528,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":165246266,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":173232576,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":183469370,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":183469370,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":183469370,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":183469370,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":183469370,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2012-04-27","val":183469370,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2012-04-27","val":183469370,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012Q1I"},{"end":"2012-07-27","val":188817941,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":204823478,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":224392220,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":229568228,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":229568228,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":229568228,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":229568228,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":229568228,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2013-04-26","val":229568228,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013Q1I"},{"end":"2013-07-26","val":234643260,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":235998719,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":240246923,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":259099844,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":259099844,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":259099844,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":259099844,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":259099844,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2014-04-25","val":259099844,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q1I"},{"end":"2014-07-25","val":264323905,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-07-25","val":264323905,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2I"},{"end":"2014-10-24","val":269893332,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":271116345,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":276573731,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":276573731,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":293183207,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"StockIssuedDuringPeriodSharesStockOptionsExercised":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period","description":"Number of share options (or share units) exercised during the current period.","units":{"shares":[{"start":"2012-04-28","end":"2012-07-27","val":265400,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":371725,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2013-01-25","val":466232,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-04-26","val":501050,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":118457,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2"},{"start":"2013-04-27","end":"2013-10-25","val":215078,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-27","end":"2014-01-24","val":338983,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-04-27","end":"2014-04-25","val":400350,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013"},{"start":"2014-04-26","end":"2015-04-24","val":127379,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"StockIssuedDuringPeriodValueConversionOfConvertibleSecurities":{"label":"Stock Issued During Period, Value, Conversion of Convertible Securities","description":"The gross value of stock issued during the period upon the conversion of convertible securities.","units":{"USD":[{"start":"2012-04-28","end":"2013-04-26","val":3985,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":3985,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":3985,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"}]}},"StockIssuedDuringPeriodValueEmployeeStockPurchasePlan":{"label":"Stock Issued During Period, Value, Employee Stock Purchase Plan","description":"Aggregate change in value for stock issued during the period as a result of employee stock purchase plan.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":34187,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2011-04-29","val":58892,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":59452,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011"}]}},"StockIssuedDuringPeriodValueShareBasedCompensation":{"label":"Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture","description":"Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":21586799,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":21389651,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":21389651,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":24288944,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":24288944,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":24288944,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":19639864,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":19639864,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":5578350,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":5578350,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":10271193,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-04-26","end":"2015-01-23","val":14727266,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":13966638,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":6256402,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"StockIssuedDuringPeriodValueStockOptionsExercised":{"label":"Stock Issued During Period, Value, Stock Options Exercised","description":"Value of stock issued as a result of the exercise of stock options.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":990773,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2011-04-29","val":15172105,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":10713315,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011"}]}},"StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased":{"label":"Stock Repurchase Program, Number of Shares Authorized to be Repurchased","description":"The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.","units":{"shares":[{"end":"2011-11-30","val":1000000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011Q4I"},{"end":"2012-07-27","val":397563,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2013-01-31","val":1000000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2012Q4I"},{"end":"2013-12-03","val":1000000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2013-12-03","val":1000000,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2013-12-31","val":1000000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q4I"},{"end":"2014-07-25","val":1000000,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-11-18","val":1000000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-11-18","val":1000000,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-11-18","val":1000000,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q4I"}]}},"StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased":{"label":"Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased","description":"The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.","units":{"shares":[{"end":"2014-04-25","val":739700,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q1I"},{"end":"2014-07-25","val":550700,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":270500,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":993800,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-07-24","val":864579,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"TangibleAssetImpairmentCharges":{"label":"Tangible Asset Impairment Charges","description":"The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.","units":{"USD":[{"start":"2014-07-26","end":"2014-10-24","val":270000,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"}]}},"TaxCreditCarryforwardAmount":{"label":"Tax Credit Carryforward, Amount","description":"The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.","units":{"USD":[{"end":"2015-04-24","val":1700000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"TreasuryStockAcquiredAverageCostPerShare":{"label":"Treasury Stock Acquired, Average Cost Per Share","description":"Total cost of shares repurchased divided by the total number of shares repurchased.","units":{"USD/shares":[{"start":"2011-04-30","end":"2012-04-27","val":30.13,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":45.58,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":45.58,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":57.66,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":57.66,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":60.18,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2015-04-24","val":55.94,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"TreasuryStockShares":{"label":"Treasury Stock, Shares","description":"Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.","units":{"shares":[{"end":"2011-04-29","val":1435292,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":1435292,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":1435292,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":1435292,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":1964112,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":2609479,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":2792320,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":3109285,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":3109285,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":3109285,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":3109285,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":3109285,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":3409209,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":3417588,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":3537094,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":3815686,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":3815686,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":3815686,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":3815686,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":3815686,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":4064451,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":4544555,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":4877398,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":5073965,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":5073965,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":5073965,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":5073965,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":5073965,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":5304968,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":5585220,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":5914068,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":6058134,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":6058134,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":6094244,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"TreasuryStockSharesAcquired":{"label":"Treasury Stock, Shares, Acquired","description":"Number of shares that have been repurchased during the period and are being held in treasury.","units":{"shares":[{"start":"2011-04-30","end":"2012-04-27","val":1629000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":600000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":600000,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":1205300,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":1205300,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":189000,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2015-04-24","val":875121,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"TreasuryStockValue":{"label":"Treasury Stock, Value","description":"The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.","units":{"USD":[{"end":"2011-04-29","val":32706563,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-04-29","val":32706563,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":32706563,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":32706563,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-07-29","val":48234862,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":65596974,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":71522401,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":83151212,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-04-27","val":83151212,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":83151212,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":83151212,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":83151212,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-07-27","val":95116195,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":95535983,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-01-25","val":103256693,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2012Q4I"},{"end":"2013-04-26","val":116160606,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":116160606,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"end":"2013-04-26","val":116160606,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"end":"2013-04-26","val":116160606,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"end":"2013-04-26","val":116160606,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2013Q1I"},{"end":"2013-07-26","val":129125101,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2013Q2I"},{"end":"2013-10-25","val":154398970,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2013Q3I"},{"end":"2014-01-24","val":175466665,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2013Q4I"},{"end":"2014-04-25","val":188519469,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":188519469,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"end":"2014-04-25","val":188519469,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"end":"2014-04-25","val":188519469,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"end":"2014-04-25","val":188519469,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2014-07-25","val":202301700,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2014Q2I"},{"end":"2014-10-24","val":217587570,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"},{"end":"2015-01-23","val":235184881,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2015-04-24","val":243534888,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15"},{"end":"2015-04-24","val":243534888,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q1I"},{"end":"2015-07-24","val":245765042,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2I"}]}},"TreasuryStockValueAcquiredCostMethod":{"label":"Treasury Stock, Value, Acquired, Cost Method","description":"Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.","units":{"USD":[{"start":"2009-04-25","end":"2010-04-30","val":1697861,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2011-04-29","val":14177574,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":14177574,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":50444649,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":50444649,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":50444649,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":33009673,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":33009673,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":33009673,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2014-04-25","val":72358863,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":72358863,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":13782231,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":13782231,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":29068101,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-04-26","end":"2015-01-23","val":46665412,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-04-26","end":"2015-04-24","val":55015419,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":2230154,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"UnrecognizedTaxBenefits":{"label":"Unrecognized Tax Benefits","description":"Amount of unrecognized tax benefits.","units":{"USD":[{"end":"2010-04-30","val":4703172,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010Q1I"},{"end":"2011-04-29","val":6326041,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2011-04-29","val":6326041,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011Q1I"},{"end":"2012-04-27","val":6075693,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2012-04-27","val":6075693,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2012-04-27","val":6075693,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012Q1I"},{"end":"2013-04-26","val":7079351,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"end":"2013-04-26","val":7079351,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2013-04-26","val":7079351,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013Q1I"},{"end":"2014-04-25","val":7079351,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"end":"2014-04-25","val":7079351,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014Q1I"},{"end":"2015-04-24","val":5782267,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2015Q1I"}]}},"UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions":{"label":"Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions","description":"Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":757792,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":250348,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":250348,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":335903,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":335903,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":335903,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2014-04-26","end":"2015-04-24","val":1297084,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"}]}},"UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense":{"label":"Unrecognized Tax Benefits, Income Tax Penalties Expense","description":"Amount of expense for penalties related to a tax position claimed or expected to be claimed in the tax return.","units":{"USD":[{"start":"2012-04-28","end":"2013-04-26","val":11000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"}]}},"UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions":{"label":"Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions","description":"Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.","units":{"USD":[{"start":"2010-05-01","end":"2011-04-29","val":2260226,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2012-04-27","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2011"},{"start":"2012-04-28","end":"2013-04-26","val":1339561,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":1339561,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":1339561,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"}]}},"UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense":{"label":"Unrecognized Tax Benefits, Interest on Income Taxes Expense","description":"Amount of interest expense for an underpayment of income taxes.","units":{"USD":[{"start":"2012-04-28","end":"2013-04-26","val":6000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012"}]}},"UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate":{"label":"Unrecognized Tax Benefits that Would Impact Effective Tax Rate","description":"The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.","units":{"USD":[{"end":"2013-04-26","val":7100000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"},{"end":"2014-04-25","val":7100000,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2014Q1I"}]}},"WarrantsAndRightsOutstanding":{"label":"Warrants and Rights Outstanding","description":"Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.","units":{"USD":[{"end":"2011-04-29","val":25200000,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2011Q1I"},{"end":"2011-04-29","val":25200000,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"end":"2011-04-29","val":25200000,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"end":"2011-04-29","val":25200000,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"end":"2011-07-29","val":25200000,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2011Q2I"},{"end":"2011-10-28","val":25200000,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2011Q3I"},{"end":"2012-01-27","val":25200000,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-04-27","val":25200000,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2012Q1I"},{"end":"2012-04-27","val":25200000,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"end":"2012-04-27","val":25200000,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"end":"2012-04-27","val":25200000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"end":"2012-04-27","val":25200000,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"end":"2012-07-27","val":25200000,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2012Q2I"},{"end":"2012-10-26","val":8400000,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2012Q3I"},{"end":"2013-04-26","val":0,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2013Q1I"}]}},"WeightedAverageNumberOfDilutedSharesOutstanding":{"label":"Weighted Average Number of Shares Outstanding, Diluted","description":"The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.","units":{"shares":[{"start":"2009-04-25","end":"2010-04-30","val":28696375,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":28212891,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":28323396,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-07-31","end":"2010-10-29","val":28419934,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2010Q3"},{"start":"2010-05-01","end":"2011-01-28","val":28471403,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-10-30","end":"2011-01-28","val":28753197,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2010Q4"},{"start":"2010-05-01","end":"2011-04-29","val":28609619,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":28609619,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":28724294,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":28724294,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":28529498,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":28529498,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":28321810,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-07-30","end":"2011-10-28","val":28321810,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":28374784,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":28374784,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":28034515,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-10-30","end":"2012-01-27","val":28034515,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":28306732,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":28306732,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":28306732,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":27937237,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":27937237,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":27995630,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":27995630,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":28063199,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":28063199,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":28045437,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":28045437,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":28124433,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":28124433,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":28008960,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":28008960,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":28008960,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":27845495,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":27845495,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":27713954,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":27713954,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":27579007,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":27579007,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":27569276,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":27569276,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":27279153,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":27279153,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":27466474,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":27466474,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":26915388,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":26915388,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":26865514,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":26791871,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"},{"start":"2014-04-26","end":"2015-01-23","val":26736391,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":26479163,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":26625721,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":26227801,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}},"WeightedAverageNumberOfSharesOutstandingBasic":{"label":"Weighted Average Number of Shares Outstanding, Basic","description":"Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.","units":{"shares":[{"start":"2009-04-25","end":"2010-04-30","val":27702731,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15","frame":"CY2009"},{"start":"2010-05-01","end":"2010-07-30","val":27775564,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25","frame":"CY2010Q2"},{"start":"2010-05-01","end":"2010-10-29","val":27861250,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2010-07-31","end":"2010-10-29","val":27946936,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21","frame":"CY2010Q3"},{"start":"2010-05-01","end":"2011-01-28","val":27949256,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2010-10-30","end":"2011-01-28","val":28121852,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24","frame":"CY2010Q4"},{"start":"2010-05-01","end":"2011-04-29","val":28050638,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2010-05-01","end":"2011-04-29","val":28050638,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19","frame":"CY2010"},{"start":"2011-04-30","end":"2011-07-29","val":28224094,"accn":"0000864683-11-000037","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-08-25"},{"start":"2011-04-30","end":"2011-07-29","val":28224094,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29","frame":"CY2011Q2"},{"start":"2011-04-30","end":"2011-10-28","val":28053557,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-04-30","end":"2011-10-28","val":28053557,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2011-07-30","end":"2011-10-28","val":27883020,"accn":"0000864683-11-000050","fy":2012,"fp":"Q2","form":"10-Q","filed":"2011-11-21"},{"start":"2011-07-30","end":"2011-10-28","val":27883020,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19","frame":"CY2011Q3"},{"start":"2011-04-30","end":"2012-01-27","val":27912114,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-01-27","val":27912114,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2011-10-29","end":"2012-01-27","val":27559729,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22","frame":"CY2011Q4"},{"start":"2011-10-30","end":"2012-01-27","val":27559729,"accn":"0000864683-12-000007","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-02-24"},{"start":"2011-04-30","end":"2012-04-27","val":27826586,"accn":"0000864683-12-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2012-06-15"},{"start":"2011-04-30","end":"2012-04-27","val":27826586,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2011-04-30","end":"2012-04-27","val":27826586,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16","frame":"CY2011"},{"start":"2012-04-28","end":"2012-07-27","val":27493419,"accn":"0000864683-12-000040","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2012-08-29"},{"start":"2012-04-28","end":"2012-07-27","val":27493419,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23","frame":"CY2012Q2"},{"start":"2012-04-28","end":"2012-10-26","val":27571261,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-04-28","end":"2012-10-26","val":27571261,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2012-07-28","end":"2012-10-26","val":27649103,"accn":"0000864683-12-000052","fy":2013,"fp":"Q2","form":"10-Q","filed":"2012-11-19"},{"start":"2012-07-28","end":"2012-10-26","val":27649103,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21","frame":"CY2012Q3"},{"start":"2012-04-28","end":"2013-01-25","val":27626387,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-04-28","end":"2013-01-25","val":27626387,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2012-10-27","end":"2013-01-25","val":27736639,"accn":"0000864683-13-000005","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-02-22"},{"start":"2012-10-27","end":"2013-01-25","val":27736639,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21","frame":"CY2012Q4"},{"start":"2012-04-28","end":"2013-04-26","val":27604006,"accn":"0000864683-13-000017","fy":2013,"fp":"FY","form":"10-K","filed":"2013-06-19"},{"start":"2012-04-28","end":"2013-04-26","val":27604006,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2012-04-28","end":"2013-04-26","val":27604006,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2012"},{"start":"2013-04-27","end":"2013-07-26","val":27513191,"accn":"0000864683-13-000031","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-08-23"},{"start":"2013-04-27","end":"2013-07-26","val":27513191,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21","frame":"CY2013Q2"},{"start":"2013-04-26","end":"2013-10-25","val":27393680,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2013-04-27","end":"2013-10-25","val":27393680,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-07-26","end":"2013-10-25","val":27274172,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q3"},{"start":"2013-07-27","end":"2013-10-25","val":27274172,"accn":"0000864683-13-000044","fy":2014,"fp":"Q2","form":"10-Q","filed":"2013-11-21"},{"start":"2013-04-26","end":"2014-01-24","val":27250740,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2013-04-27","end":"2014-01-24","val":27250740,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":26964861,"accn":"0000864683-14-000007","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-02-21"},{"start":"2013-10-26","end":"2014-01-24","val":26964861,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2013Q4"},{"start":"2013-04-27","end":"2014-04-25","val":27142597,"accn":"0000864683-14-000015","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-16"},{"start":"2013-04-27","end":"2014-04-25","val":27142597,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2013"},{"start":"2014-04-26","end":"2014-07-25","val":26674134,"accn":"0000864683-14-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-21"},{"start":"2014-04-26","end":"2014-07-25","val":26674134,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2014Q2"},{"start":"2014-04-26","end":"2014-10-24","val":26636238,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20"},{"start":"2014-07-26","end":"2014-10-24","val":26574687,"accn":"0000864683-14-000035","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3"},{"start":"2014-04-26","end":"2015-01-23","val":26513226,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27"},{"start":"2014-10-25","end":"2015-01-23","val":26267203,"accn":"0000864683-15-000013","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-27","frame":"CY2014Q4"},{"start":"2014-04-26","end":"2015-04-24","val":26391064,"accn":"0000864683-15-000037","fy":2015,"fp":"FY","form":"10-K","filed":"2015-06-15","frame":"CY2014"},{"start":"2015-04-25","end":"2015-07-24","val":25995664,"accn":"0000864683-15-000050","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-20","frame":"CY2015Q2"}]}}}}}