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Common stock represent the ownership interest in a 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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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of stock repurchase plan authorized.","units":{"USD":[{"end":"2012-10-30","val":18000000,"accn":"0001445305-14-004993","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2012Q3I"}]}},"StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1":{"label":"Stock Repurchase Program, Remaining Authorized Repurchase Amount","description":"Amount remaining of a stock repurchase plan 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