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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.","units":{"USD":[{"end":"2012-12-31","val":5748000,"accn":"0001193125-14-080318","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-03"},{"end":"2012-12-31","val":5748000,"accn":"0001193125-15-069821","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012Q4I"},{"end":"2013-12-31","val":5748000,"accn":"0001193125-14-080318","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-03","frame":"CY2013Q4I"},{"end":"2014-12-31","val":5748000,"accn":"0001193125-15-069821","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2014Q4I"},{"end":"2016-04-29","val":17619000,"accn":"0001564590-16-023670","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2016-04-29","val":17619000,"accn":"0001564590-16-028384","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-08","frame":"CY2016Q1I"},{"end":"2016-06-30","val":17619000,"accn":"0001564590-17-002920","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-01","frame":"CY2016Q2I"}]}},"BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther":{"label":"Business 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Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.","units":{"USD":[{"start":"2009-01-01","end":"2009-06-30","val":11518000,"accn":"0000950123-10-074950","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-09"},{"start":"2009-04-01","end":"2009-06-30","val":11518000,"accn":"0000950123-10-074950","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-09","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":11518000,"accn":"0000950123-10-103137","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-09"},{"start":"2009-01-01","end":"2009-12-31","val":11518000,"accn":"0001193125-12-088589","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-29","frame":"CY2009"},{"start":"2009-01-01","end":"2009-12-31","val":11518000,"accn":"0000950123-11-019903","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-28"},{"start":"2013-01-01","end":"2013-09-30","val":1007000,"accn":"0001193125-13-438290","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"}]}},"BusinessExitCosts1":{"label":"Business Exit Costs","description":"Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. 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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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