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Intangible and Other Assets (Details 1) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2011 | Jul. 31, 2011 | Dec. 31, 2010
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Finite Lived Intangible Assets And Deferred Debt Issuance Costs [Line Items] |  |  |
Intangible assets and deferred debt issuance costs | $ 320,357 |  | $ 315,177
Intangible assets and deferred debt issuance costs, accumulated amortization | (157,792) |  | (128,824)
Transaction costs related to credit facility | 44,141 | 7,800 | 39,367
Amortization of deferred debt issuance costs | (19,560) |  | (14,632)
Marketing related [Member] |  |  |
Finite Lived Intangible Assets And Deferred Debt Issuance Costs [Line Items] |  |  |
Gross Carrying Amount | 3,043 |  | 2,727
Accumulated Amortization | (1,400) |  | (1,211)
Customer related [Member] |  |  |
Finite Lived Intangible Assets And Deferred Debt Issuance Costs [Line Items] |  |  |
Gross Carrying Amount | 175,676 |  | 175,798
Accumulated Amortization | (76,943) |  | (60,511)
Technology based [Member] |  |  |
Finite Lived Intangible Assets And Deferred Debt Issuance Costs [Line Items] |  |  |
Gross Carrying Amount | 32,275 |  | 32,361
Accumulated Amortization | (6,747) |  | (5,035)
Contract based [Member] |  |  |
Finite Lived Intangible Assets And Deferred Debt Issuance Costs [Line Items] |  |  |
Gross Carrying Amount | 65,222 |  | 64,924
Accumulated Amortization | $ (53,142) |  | $ (47,435)

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- Definition The accumulated amount of amortization of finite-lived intangible assets and deferred debt issuance costs. + References No definition available. + Details
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- Definition Sum of the gross carrying amounts before accumulated amortization as of the balance sheet date of all intangible assets having statutory or estimated useful lives. Also includes Gross carrying amount of Deferred debt issuance costs. + References No definition available. + Details
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- Definition For an unclassified balance sheet, the accumulated amortization, as of the reporting date, representing the periodic charge to earnings of deferred costs which are associated with debt obligations existing as of the end of the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 17 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition For an unclassified balance sheet, the amount as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain. Such amount is before the consideration of accumulated amortization. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 21 -Paragraph 16 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28555-108399 + Details
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