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Amount excludes temporary equity. Alternate caption for the concept is permanent equity.","units":{"USD":[{"end":"2010-12-31","val":299047000,"accn":"0001104659-11-043753","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2010Q4I"},{"end":"2011-06-30","val":324334000,"accn":"0001104659-11-043753","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"}]}},"StockIssued1":{"label":"Stock Issued","description":"The fair value of stock issued in noncash financing activities.","units":{"USD":[{"start":"2011-01-01","end":"2011-06-30","val":14425000,"accn":"0001104659-11-043753","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-09-30","val":14425000,"accn":"0001104659-11-060637","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-03"}]}},"StockIssuedDuringPeriodSharesNewIssues":{"label":"Stock Issued During Period, Shares, New Issues","description":"Number of new stock issued during the period.","units":{"shares":[{"start":"2010-08-01","end":"2010-08-31","val":28750000,"accn":"0001322866-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-08-01","end":"2010-08-31","val":28750000,"accn":"0001047469-12-001766","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-12-01","end":"2010-12-31","val":28750000,"accn":"0001322866-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-12-01","end":"2010-12-31","val":28750000,"accn":"0001047469-12-001766","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-07-01","end":"2011-07-31","val":27600000,"accn":"0001322866-14-000009","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-27"},{"start":"2011-07-01","end":"2011-07-31","val":27600000,"accn":"0001322866-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-07-01","end":"2011-07-31","val":27600000,"accn":"0001047469-12-001766","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-11-01","end":"2011-11-30","val":48300000,"accn":"0001322866-14-000009","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-27"},{"start":"2011-11-01","end":"2011-11-30","val":48300000,"accn":"0001322866-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-11-01","end":"2011-11-30","val":48300000,"accn":"0001047469-12-001766","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2012-01-01","end":"2012-01-31","val":5055612,"accn":"0001322866-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"}]}},"StockIssuedDuringPeriodSharesShareBasedCompensation":{"label":"Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture","description":"Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).","units":{"shares":[{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001322866-14-000009","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001322866-14-000009","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-27","frame":"CY2013"}]}},"StockIssuedDuringPeriodValueAcquisitions":{"label":"Stock Issued During Period, Value, Acquisitions","description":"Value of stock issued pursuant to acquisitions during the period.","units":{"USD":[{"start":"2011-01-01","end":"2011-12-31","val":14425000,"accn":"0001322866-14-000009","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-27","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":14425000,"accn":"0001322866-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":14425000,"accn":"0001047469-12-001766","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2012-01-01","end":"2012-01-31","val":49800000,"accn":"0001322866-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":49798000,"accn":"0001322866-14-000009","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-27","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":49798000,"accn":"0001322866-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001322866-14-000009","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-27","frame":"CY2013"}]}},"StockIssuedDuringPeriodValueNewIssues":{"label":"Stock Issued During Period, Value, New Issues","description":"Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":37560000,"accn":"0001047469-12-001766","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":237188000,"accn":"0001322866-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":237188000,"accn":"0001047469-12-001766","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":542685000,"accn":"0001322866-14-000009","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-27","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":542685000,"accn":"0001322866-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":542685000,"accn":"0001047469-12-001766","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001322866-14-000009","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-27","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001322866-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001322866-14-000009","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-27","frame":"CY2013"}]}},"StockIssuedDuringPeriodValueRestrictedStockAwardGross":{"label":"Stock Issued During Period, Value, Restricted Stock Award, Gross","description":"Aggregate value of stock related to Restricted Stock Awards issued during the period.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":261000,"accn":"0001322866-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":261000,"accn":"0001047469-12-001766","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":593000,"accn":"0001322866-14-000009","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-27","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":593000,"accn":"0001322866-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":593000,"accn":"0001047469-12-001766","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001322866-14-000009","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-27","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001322866-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001322866-14-000009","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-27","frame":"CY2013"}]}},"StockIssuedDuringPeriodValueStockOptionsExercised":{"label":"Stock Issued During Period, Value, Stock Options Exercised","description":"Value of stock issued as a result of the exercise of stock options.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":333000,"accn":"0001047469-12-001766","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":3236000,"accn":"0001322866-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":3236000,"accn":"0001047469-12-001766","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1305000,"accn":"0001322866-14-000009","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-27","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":1305000,"accn":"0001322866-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1305000,"accn":"0001047469-12-001766","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":3654000,"accn":"0001322866-14-000009","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-27","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":3654000,"accn":"0001322866-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-12-31","val":2446000,"accn":"0001322866-14-000009","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-27","frame":"CY2013"}]}},"UnbilledContractsReceivable":{"label":"Unbilled Contracts Receivable","description":"Unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. 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