Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2012

Long-Term Debt [Abstract]

Schedule of Long-Term Debt Instruments

	June 30, 2012		December 31, 2011
Credit Facilities:
Revolver	$	—	$	—
7.125% Senior Notes		225,000		225,000
7.75% Senior Notes		475,000		475,000
Unamortized premium		1,790		1,892
Capital leases and other notes		88,000		81,199
		789,790		783,091
Less current portion		35,078		34,115
	$	754,712	$	748,976

Schedule of Interest Expense

	Six Months Ended June 30,
	2012			2011
Cash payments for interest	$	28,236		$	18,630
Commitment and other fees paid		807			438
Amortization of debt issuance costs and discount or premium on notes		1,290			1,213
Change in accrued interest		4			2,871
Capitalized interest		(293	)		—
Other		11			32
	$	30,055		$	23,184