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and Cash Equivalents, at Carrying Value","description":"Amount of currency on hand as well as demand deposits with banks or financial institutions. 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Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate","description":"Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit 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Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. 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Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions.","units":{"USD":[{"end":"2011-12-25","val":4900000,"accn":"0000215419-11-000109","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-01","frame":"CY2011Q4I"},{"end":"2011-12-25","val":5100000,"accn":"0000215419-11-000075","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-03"},{"end":"2012-03-25","val":4800000,"accn":"0000215419-12-000036","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-03","frame":"CY2012Q1I"},{"end":"2012-06-24","val":4500000,"accn":"0000215419-12-000073","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-02","frame":"CY2012Q2I"},{"end":"2012-09-23","val":4700000,"accn":"0000215419-12-000105","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-01","frame":"CY2012Q3I"},{"end":"2013-03-31","val":5100000,"accn":"0000215419-13-000064","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-07","frame":"CY2013Q1I"},{"end":"2013-06-30","val":5100000,"accn":"0000215419-13-000107","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-06","frame":"CY2013Q2I"},{"end":"2013-09-29","val":5300000,"accn":"0000215419-13-000132","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-08","frame":"CY2013Q3I"},{"end":"2014-03-30","val":5400000,"accn":"0000215419-14-000038","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-06","frame":"CY2014Q1I"}]}},"DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear":{"label":"Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year (Deprecated 2013-01-31)","description":"The employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions.","units":{"USD":[{"end":"2011-12-25","val":4700000,"accn":"0000215419-12-000022","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2011Q4I"},{"end":"2012-12-30","val":5200000,"accn":"0000215419-13-000036","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-05","frame":"CY2012Q4I"},{"end":"2013-12-29","val":5400000,"accn":"0000215419-14-000021","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"}]}},"DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter":{"label":"Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years","description":"Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year.","units":{"USD":[{"end":"2012-12-30","val":26104000,"accn":"0000215419-13-000036","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-05","frame":"CY2012Q4I"},{"end":"2013-12-29","val":27408000,"accn":"0000215419-14-000021","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2014-12-28","val":24954000,"accn":"0000215419-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-05","frame":"CY2014Q4I"},{"end":"2015-12-27","val":22183000,"accn":"0000215419-16-000143","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-03","frame":"CY2015Q4I"}]}},"DefinedBenefitPlanExpectedFutureBenefitPaymentsInFiveFiscalYearsThereafter":{"label":"Defined Benefit Plan, Expected Future Benefit Payments in Five Fiscal Years Thereafter (Deprecated 2012-01-31)","description":"The amount of the aggregate benefits expected to be paid in the five fiscal years thereafter (the aggregate amount of benefits expected to be paid in years 6 through 10 after the date of the 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to Acquire Businesses, Net of Cash Acquired","description":"The cash outflow associated with the acquisition of a business, net of the cash acquired from the 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fixtures.","units":{"USD":[{"end":"2009-12-27","val":117598000,"accn":"0000215419-10-000083","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-07-29"},{"end":"2009-12-27","val":117598000,"accn":"0000215419-10-000106","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-27","val":117598000,"accn":"0000215419-11-000017","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-22","frame":"CY2009Q4I"},{"end":"2010-06-27","val":114260000,"accn":"0000215419-10-000083","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-07-29","frame":"CY2010Q2I"},{"end":"2010-09-26","val":118983000,"accn":"0000215419-10-000106","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-26","val":121258000,"accn":"0000215419-11-000017","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-22"},{"end":"2010-12-26","val":121258000,"accn":"0000215419-11-000039","fy":2011,"fp":"Q1","form":"10-Q/A","filed":"2011-05-04"},{"end":"2010-12-26","val":121258000,"accn":"0000215419-11-000075","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-03"},{"end":"2010-12-26","val":121258000,"accn":"0000215419-11-000109","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-01"},{"end":"2010-12-26","val":121258000,"accn":"0000215419-12-000022","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-03-27","val":123387000,"accn":"0000215419-11-000039","fy":2011,"fp":"Q1","form":"10-Q/A","filed":"2011-05-04","frame":"CY2011Q1I"},{"end":"2011-06-26","val":146089000,"accn":"0000215419-11-000075","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-03","frame":"CY2011Q2I"},{"end":"2011-09-25","val":132621000,"accn":"0000215419-11-000109","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-01","frame":"CY2011Q3I"},{"end":"2011-12-25","val":132161000,"accn":"0000215419-12-000022","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-25","val":132161000,"accn":"0000215419-12-000036","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-03"},{"end":"2011-12-25","val":132161000,"accn":"0000215419-12-000073","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-02"},{"end":"2011-12-25","val":132161000,"accn":"0000215419-12-000105","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-01"},{"end":"2011-12-25","val":132161000,"accn":"0000215419-13-000036","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-05","frame":"CY2011Q4I"},{"end":"2012-03-25","val":130062000,"accn":"0000215419-12-000036","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-03"},{"end":"2012-03-25","val":110227000,"accn":"0000215419-14-000021","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q1I"},{"end":"2012-06-24","val":117886000,"accn":"0000215419-12-000073","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-02"},{"end":"2012-06-24","val":98742000,"accn":"0000215419-14-000021","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q2I"},{"end":"2012-09-23","val":114332000,"accn":"0000215419-12-000105","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-01"},{"end":"2012-09-23","val":95950000,"accn":"0000215419-14-000021","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q3I"},{"end":"2012-12-30","val":107184000,"accn":"0000215419-13-000036","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-05"},{"end":"2012-12-30","val":107184000,"accn":"0000215419-13-000064","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-07"},{"end":"2012-12-30","val":107184000,"accn":"0000215419-13-000107","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-06"},{"end":"2012-12-30","val":107184000,"accn":"0000215419-13-000132","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-08"},{"end":"2012-12-30","val":88044000,"accn":"0000215419-14-000021","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-03-31","val":101506000,"accn":"0000215419-13-000064","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-07"},{"end":"2013-03-31","val":83064000,"accn":"0000215419-14-000021","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q1I"},{"end":"2013-06-30","val":94759000,"accn":"0000215419-13-000107","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-06"},{"end":"2013-06-30","val":76857000,"accn":"0000215419-14-000021","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q2I"},{"end":"2013-09-29","val":93037000,"accn":"0000215419-13-000132","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-08"},{"end":"2013-09-29","val":75953000,"accn":"0000215419-14-000021","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q3I"},{"end":"2013-12-29","val":75067000,"accn":"0000215419-14-000021","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2013-12-29","val":75067000,"accn":"0000215419-14-000038","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-06"},{"end":"2013-12-29","val":75067000,"accn":"0000215419-14-000076","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-04"},{"end":"2013-12-29","val":75067000,"accn":"0000215419-14-000090","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-04"},{"end":"2013-12-29","val":75067000,"accn":"0000215419-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-05","frame":"CY2013Q4I"},{"end":"2014-03-30","val":74463000,"accn":"0000215419-14-000038","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-06","frame":"CY2014Q1I"},{"end":"2014-06-29","val":74163000,"accn":"0000215419-14-000076","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-04","frame":"CY2014Q2I"},{"end":"2014-09-28","val":75018000,"accn":"0000215419-14-000090","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-04","frame":"CY2014Q3I"},{"end":"2014-12-28","val":76332000,"accn":"0000215419-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-05"},{"end":"2014-12-28","val":76332000,"accn":"0000215419-15-000042","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-06"},{"end":"2014-12-28","val":76332000,"accn":"0000215419-15-000068","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-04"},{"end":"2014-12-28","val":76332000,"accn":"0000215419-15-000109","fy":2015,"fp":"Q1","form":"10-Q/A","filed":"2015-11-04"},{"end":"2014-12-28","val":76332000,"accn":"0000215419-15-000110","fy":2015,"fp":"Q2","form":"10-Q/A","filed":"2015-11-04"},{"end":"2014-12-28","val":76332000,"accn":"0000215419-15-000114","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-04"},{"end":"2014-12-28","val":76332000,"accn":"0000215419-16-000143","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-03","frame":"CY2014Q4I"},{"end":"2015-03-29","val":77022000,"accn":"0000215419-15-000042","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-06"},{"end":"2015-03-29","val":77022000,"accn":"0000215419-15-000109","fy":2015,"fp":"Q1","form":"10-Q/A","filed":"2015-11-04","frame":"CY2015Q1I"},{"end":"2015-06-28","val":77336000,"accn":"0000215419-15-000068","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-04"},{"end":"2015-06-28","val":77336000,"accn":"0000215419-15-000110","fy":2015,"fp":"Q2","form":"10-Q/A","filed":"2015-11-04","frame":"CY2015Q2I"},{"end":"2015-09-27","val":76405000,"accn":"0000215419-15-000114","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-04","frame":"CY2015Q3I"},{"end":"2015-12-27","val":75864000,"accn":"0000215419-16-000143","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-03"},{"end":"2015-12-27","val":75864000,"accn":"0001628280-16-015737","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-05","frame":"CY2015Q4I"},{"end":"2016-03-27","val":75776000,"accn":"0001628280-16-015737","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-05","frame":"CY2016Q1I"}]}},"PropertyPlantAndEquipmentUsefulLifeMaximum":{"label":"Property, Plant and Equipment, Useful Life, Maximum (Deprecated 2012-01-31)","description":"The maximum useful life of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.","units":{"pure":[{"start":"2010-12-27","end":"2011-09-25","val":5,"accn":"0000215419-11-000109","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-01"},{"start":"2010-12-27","end":"2011-12-25","val":5,"accn":"0000215419-12-000022","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2011"}]}},"PropertyPlantAndEquipmentUsefulLifeMinimum":{"label":"Property, Plant and Equipment, Useful Life, Minimum (Deprecated 2012-01-31)","description":"The minimum useful life of long lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.","units":{"pure":[{"start":"2010-12-27","end":"2011-09-25","val":3,"accn":"0000215419-11-000109","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-01"},{"start":"2010-12-27","end":"2011-12-25","val":3,"accn":"0000215419-12-000022","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2011"}]}},"PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation":{"label":"Property Subject to or Available for Operating Lease, Accumulated Depreciation","description":"The amount of accumulated depreciation, by major property class, recorded on property subject to or available for lease as of the balance sheet date.","units":{"USD":[{"end":"2010-12-26","val":5049000,"accn":"0000215419-12-000022","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-12-25","val":1812000,"accn":"0000215419-12-000022","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-25","val":1812000,"accn":"0000215419-13-000036","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-05","frame":"CY2011Q4I"},{"end":"2012-12-30","val":1774000,"accn":"0000215419-13-000036","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-05"},{"end":"2012-12-30","val":1774000,"accn":"0000215419-14-000021","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-12-29","val":3424000,"accn":"0000215419-14-000021","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2013-12-29","val":3424000,"accn":"0000215419-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-05","frame":"CY2013Q4I"},{"end":"2014-12-28","val":2761000,"accn":"0000215419-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-05"},{"end":"2014-12-28","val":2761000,"accn":"0000215419-16-000143","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-03","frame":"CY2014Q4I"},{"end":"2015-12-27","val":1448000,"accn":"0000215419-16-000143","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-03","frame":"CY2015Q4I"}]}},"PropertySubjectToOrAvailableForOperatingLeaseGross":{"label":"Property Subject to or Available for Operating Lease, Gross","description":"Amount before accumulated depreciation of physical assets used in the normal conduct of business to produce goods and services subject to or available for lease.","units":{"USD":[{"end":"2010-12-26","val":7389000,"accn":"0000215419-12-000022","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-12-25","val":3732000,"accn":"0000215419-12-000022","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-25","val":3732000,"accn":"0000215419-13-000036","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-05","frame":"CY2011Q4I"},{"end":"2012-12-30","val":3522000,"accn":"0000215419-13-000036","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-05"},{"end":"2012-12-30","val":3522000,"accn":"0000215419-14-000021","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-12-29","val":4691000,"accn":"0000215419-14-000021","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2013-12-29","val":4691000,"accn":"0000215419-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-05","frame":"CY2013Q4I"},{"end":"2014-12-28","val":3818000,"accn":"0000215419-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-05"},{"end":"2014-12-28","val":3818000,"accn":"0000215419-16-000143","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-03","frame":"CY2014Q4I"},{"end":"2015-12-27","val":2970000,"accn":"0000215419-16-000143","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-03","frame":"CY2015Q4I"}]}},"PropertySubjectToOrAvailableForOperatingLeaseNet":{"label":"Property 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