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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' 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Receivable, after Allowance for Credit Loss, Noncurrent","description":"Amount, after allowance for credit loss, of financing receivable, classified as noncurrent.","units":{"USD":[{"end":"2011-03-31","val":4863000,"accn":"0001140361-12-041905","fy":2011,"fp":"FY","form":"10-K","filed":"2012-09-28","frame":"CY2011Q1I"},{"end":"2011-03-31","val":4863000,"accn":"0001140361-12-024996","fy":2011,"fp":"Q3","form":"10-Q","filed":"2012-05-14"},{"end":"2011-03-31","val":4863000,"accn":"0001140361-12-013847","fy":2011,"fp":"Q2","form":"10-Q","filed":"2012-03-07"},{"end":"2011-03-31","val":4863000,"accn":"0001140361-11-041985","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-08-15"},{"end":"2011-06-30","val":0,"accn":"0001140361-11-041985","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-08-15","frame":"CY2011Q2I"},{"end":"2011-09-30","val":0,"accn":"0001140361-12-013847","fy":2011,"fp":"Q2","form":"10-Q","filed":"2012-03-07","frame":"CY2011Q3I"},{"end":"2011-12-31","val":0,"accn":"0001140361-12-024996","fy":2011,"fp":"Q3","form":"10-Q","filed":"2012-05-14","frame":"CY2011Q4I"},{"end":"2012-03-31","val":0,"accn":"0001140361-12-041905","fy":2011,"fp":"FY","form":"10-K","filed":"2012-09-28","frame":"CY2012Q1I"}]}},"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":{"USD":[{"end":"2012-03-31","val":13494000,"accn":"0001140361-13-025425","fy":2012,"fp":"FY","form":"10-K","filed":"2013-06-17","frame":"CY2012Q1I"},{"end":"2012-03-31","val":13494000,"accn":"0001140361-13-007771","fy":2012,"fp":"Q3","form":"10-Q","filed":"2013-02-15"},{"end":"2012-03-31","val":13494000,"accn":"0001140361-12-051668","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-12-18"},{"end":"2012-03-31","val":13494000,"accn":"0001140361-12-048936","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-11-28"},{"end":"2012-06-30","val":13169000,"accn":"0001140361-12-048936","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-11-28","frame":"CY2012Q2I"},{"end":"2012-09-30","val":15039000,"accn":"0001140361-12-051668","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-12-18","frame":"CY2012Q3I"},{"end":"2012-12-31","val":16708000,"accn":"0001140361-13-007771","fy":2012,"fp":"Q3","form":"10-Q","filed":"2013-02-15","frame":"CY2012Q4I"},{"end":"2013-03-31","val":17543000,"accn":"0001140361-13-025425","fy":2012,"fp":"FY","form":"10-K","filed":"2013-06-17","frame":"CY2013Q1I"}]}},"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 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This item includes treasury stock repurchased by the entity. 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Alternate caption for the concept is permanent 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