Long-Term Debt (Schedule of Debt) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Debt	$ 9,507,234	$ 9,541,305
Current maturities of long-term debt	(119,037)	(89,911)
Long-term debt	9,388,197	9,451,394
Secured Debt [Member] \| Credit Facility, Term Loan A [Member]
Debt Instrument [Line Items]
Debt	693,750	712,500
Secured Debt [Member] \| Credit Facility, Term Loan B, Initial Funding [Member]
Debt Instrument [Line Items]
Debt	3,412,584	3,619,062
Senior Notes [Member] \| Senior Notes at 8.0, Due 2019 [Member]
Debt Instrument [Line Items]
Debt	2,021,613	2,022,829
Senior Notes [Member] \| Senior Notes at 7.125, Due 2020 [Member]
Debt Instrument [Line Items]
Debt	1,200,000	1,200,000
Senior Secured Notes [Member] \| Senior Secured Notes At 5.125 Due 2018 [Member]
Debt Instrument [Line Items]
Debt	1,600,000	1,600,000
Receivables Facility [Member] \| Receivables Facility, Name [Member]
Debt Instrument [Line Items]
Debt	483,000	300,000
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Debt	49,148	47,951
Unsecured Debt [Member]
Debt Instrument [Line Items]
Debt	$ 47,139	$ 38,963

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-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 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section H

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Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.20)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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