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Combination, Acquisition Related Costs","description":"This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.","units":{"USD":[{"start":"2010-01-01","end":"2010-09-30","val":2000000,"accn":"0001104659-11-061163","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04"},{"start":"2010-07-01","end":"2010-09-30","val":2000000,"accn":"0001104659-11-061163","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":20953000,"accn":"0001047469-12-001458","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-24","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":1740000,"accn":"0001104659-12-030734","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-30","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":15088000,"accn":"0001104659-11-044935","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":11593000,"accn":"0001104659-11-044935","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":23997000,"accn":"0001104659-11-061163","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04"},{"start":"2011-07-01","end":"2011-09-30","val":8909000,"accn":"0001104659-11-061163","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":31790000,"accn":"0001047469-12-001458","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-24","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":839000,"accn":"0001104659-12-030734","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-30","frame":"CY2012Q1"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0001102541-16-000089","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-07"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0001102541-16-000089","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-07","frame":"CY2015Q3"},{"start":"2016-01-01","end":"2016-09-30","val":191000,"accn":"0001102541-16-000089","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-07"},{"start":"2016-07-01","end":"2016-09-30","val":191000,"accn":"0001102541-16-000089","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-07","frame":"CY2016Q3"}]}},"BusinessCombinationContingentConsiderationArrangementsChangeInTheRangeOfOutcomesContingentConsiderationLiabilityValueHigh":{"label":"Business Combination, Contingent Consideration Arrangements, Change in Range of Outcomes, Contingent Consideration, Liability, Value, High","description":"This element represents the amount of any change recognized during the period in the high-end of the estimated range of outcomes (undiscounted) of a liability assumed in a business combination arising from an item of contingent consideration.","units":{"USD":[{"start":"2016-01-01","end":"2016-09-30","val":5600000,"accn":"0001102541-16-000089","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-07"}]}},"BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh":{"label":"Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High","description":"For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.","units":{"USD":[{"end":"2016-12-31","val":5600000,"accn":"0001102541-17-000014","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-24","frame":"CY2016Q4I"}]}},"BusinessCombinationContingentConsiderationLiability":{"label":"Business Combination, Contingent Consideration, Liability","description":"Amount of liability recognized arising from contingent consideration in a business combination.","units":{"USD":[{"end":"2016-09-30","val":1100000,"accn":"0001102541-16-000089","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-07","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1100000,"accn":"0001102541-17-000014","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-24","frame":"CY2016Q4I"}]}},"BusinessCombinationIntegrationRelatedCosts":{"label":"Business Combination, Integration Related Costs","description":"Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.","units":{"USD":[{"start":"2011-01-01","end":"2011-06-30","val":721000,"accn":"0001104659-11-044935","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":658000,"accn":"0001104659-11-044935","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":834000,"accn":"0001104659-11-061163","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04"},{"start":"2011-07-01","end":"2011-09-30","val":593000,"accn":"0001104659-11-061163","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":4044000,"accn":"0001047469-12-001458","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-24","frame":"CY2011"}]}},"BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles":{"label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles","description":"The amount of identifiable intangible assets recognized as of the acquisition date.","units":{"USD":[{"end":"2016-09-30","val":3400000,"accn":"0001102541-16-000089","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-07","frame":"CY2016Q3I"},{"end":"2016-12-31","val":3400000,"accn":"0001102541-17-000014","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-24","frame":"CY2016Q4I"}]}},"BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet":{"label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net","description":"Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.","units":{"USD":[{"end":"2016-09-30","val":1500000,"accn":"0001102541-16-000089","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-07","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1500000,"accn":"0001102541-17-000014","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-24","frame":"CY2016Q4I"}]}},"CapitalLeasesFutureMinimumPaymentsDue":{"label":"Capital Leases, Future Minimum Payments Due","description":"Amount of minimum lease payments for capital leases.","units":{"USD":[{"end":"2010-12-31","val":32945000,"accn":"0001104659-11-044935","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2010Q4I"},{"end":"2011-09-30","val":32479000,"accn":"0001104659-11-061163","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04","frame":"CY2011Q3I"},{"end":"2011-12-31","val":32672000,"accn":"0001047469-12-001458","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-12-31","val":29127000,"accn":"0001102541-13-000007","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-20"},{"end":"2012-12-31","val":29127000,"accn":"0001102541-13-000025","fy":2012,"fp":"FY","form":"8-K","filed":"2013-07-10"},{"end":"2012-12-31","val":29127000,"accn":"0001102541-13-000033","fy":2012,"fp":"FY","form":"8-K","filed":"2013-08-16","frame":"CY2012Q4I"},{"end":"2013-12-31","val":25889000,"accn":"0001102541-14-000005","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-25","frame":"CY2013Q4I"},{"end":"2014-12-31","val":21759000,"accn":"0001102541-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-20","frame":"CY2014Q4I"},{"end":"2015-12-31","val":19268000,"accn":"0001102541-16-000040","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-19","frame":"CY2015Q4I"},{"end":"2016-12-31","val":16678000,"accn":"0001102541-17-000014","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-24","frame":"CY2016Q4I"}]}},"CapitalLeasesFutureMinimumPaymentsDueCurrent":{"label":"Capital Leases, Future Minimum Payments Due, Next Twelve Months","description":"Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. 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Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","units":{"USD":[{"end":"2010-12-31","val":243069000,"accn":"0001104659-11-038558","fy":2011,"fp":"Q1","form":"8-K/A","filed":"2011-07-11","frame":"CY2010Q4I"},{"end":"2010-12-31","val":243069000,"accn":"0001104659-11-035156","fy":2011,"fp":"Q1","form":"8-K","filed":"2011-06-16"},{"end":"2010-12-31","val":243069000,"accn":"0001104659-11-025827","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-04"},{"end":"2011-03-31","val":247230000,"accn":"0001104659-11-038558","fy":2011,"fp":"Q1","form":"8-K/A","filed":"2011-07-11","frame":"CY2011Q1I"},{"end":"2011-03-31","val":247230000,"accn":"0001104659-11-035156","fy":2011,"fp":"Q1","form":"8-K","filed":"2011-06-16"},{"end":"2011-03-31","val":247230000,"accn":"0001104659-11-025827","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-04"}]}},"LongTermDebtNoncurrent":{"label":"Long-term Debt, Excluding Current Maturities","description":"Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","units":{"USD":[{"end":"2010-12-31","val":351251000,"accn":"0001104659-11-038558","fy":2011,"fp":"Q1","form":"8-K/A","filed":"2011-07-11","frame":"CY2010Q4I"},{"end":"2010-12-31","val":351251000,"accn":"0001104659-11-035156","fy":2011,"fp":"Q1","form":"8-K","filed":"2011-06-16"},{"end":"2010-12-31","val":351251000,"accn":"0001104659-11-025827","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-04"},{"end":"2011-03-31","val":350970000,"accn":"0001104659-11-038558","fy":2011,"fp":"Q1","form":"8-K/A","filed":"2011-07-11","frame":"CY2011Q1I"},{"end":"2011-03-31","val":350970000,"accn":"0001104659-11-035156","fy":2011,"fp":"Q1","form":"8-K","filed":"2011-06-16"},{"end":"2011-03-31","val":350970000,"accn":"0001104659-11-025827","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-04"}]}},"LongTermLineOfCredit":{"label":"Long-term Line of Credit, Noncurrent","description":"The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. 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Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the 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tableSecuritiesNoncurrent":{"label":"Marketable 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tes":{"label":"Senior 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