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Alternate caption for the concept is permanent 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Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.","units":{"USD":[{"start":"2011-05-01","end":"2012-01-31","val":100000000,"accn":"0001104659-12-017568","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-03-12"}]}},"StockRepurchaseProgramAuthorizedAmount":{"label":"Stock Repurchase Program, Authorized Amount (Deprecated 2014-01-31)","description":"Amount of a stock repurchase plan authorized by an entity's Board of Directors.","units":{"USD":[{"start":"2011-11-01","end":"2011-11-30","val":100000000,"accn":"0001104659-12-017568","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-03-12"}]}},"TaxAdjustmentsSettlementsAndUnusualProvisions":{"label":"Tax Adjustments, Settlements, and Unusual Provisions","description":"Amount of increase (decrease) to previously recorded tax expense. 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This stock has no voting rights and receives no 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