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Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2011

Long-Term Debt [Abstract]

Long-term debt

		December 31,
		2011				2010
Revolving credit facility due July 2016		$	433,500			$	—
Revolving credit facility due August 2012			—				50,395
Term loan			—				615,943
2007 asset-backed securitization facility notes due July 2012			—				6,000
Partnership’s revolving credit facility due November 2015			395,500				299,000
Partnership’s term loan facility due November 2015			150,000				150,000
4.25% convertible senior notes due June 2014 (presented net of the unamortized discount of $54.9 million and $73.2 million, respectively)			300,149				281,827
4.75% convertible senior notes due January 2014			143,750				143,750
7.25% senior notes due December 2018			350,000				350,000
Other, interest at various rates, collateralized by equipment and other assets			140				232
Long-term debt		$	1,773,039			$	1,897,147

Summary of contractual maturities of long-term debt (excluding interest to be accrued thereon)

		December 31, 2011
2012		$	140	(1)
2013			—
2014			498,750	(2)
2015			545,500
2016			433,500
Thereafter			350,000
Total debt		$	1,827,890

(1) Maturities of $0.1 million due in 2012 are classified as long-term because we have the intent and ability to refinance these maturities with our existing long-term credit facilities.

(2) This amount includes the full face value of the 4.25% Notes and is not reduced by the unamortized discount of $54.9 million as of December 31, 2011.

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- Definition

Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.

+ References

No definition available.

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- Definition

Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented.

+ References

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

-Topic 470

-SubTopic 10

-Publisher FASB

-Number

-Article

-Subparagraph

-Name Accounting Standards Codification

-Paragraph 1

-Section 50

-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

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