Debt (Tables)

6 Months Ended

Jun. 30, 2012

Debt Instruments [Abstract]

Schedule of Long-term Debt Instruments

The carrying amounts of our long-term debt are as follows:

	June 30, 2012			December 31, 2011
	(In thousands)
Credit Agreement	$	170,000		$	200,000
6.5% Senior Notes
Principal	300,000			—
Unamortized discount	(5,051		)	—
	294,949			—
6.25% Senior Notes
Principal	—			185,000
Unamortized net discount	—			(105		)
	—			184,895
8.25% Senior Notes
Principal	150,000			150,000
Unamortized discount	(1,754		)	(1,907		)
	148,246			148,093
Promissory Notes	—			72,900
Total long-term debt	$	613,195		$	605,888

Schedule of Derivative Instruments

Additional information on our interest rate swap is as follows:

Derivative Instrument	Balance Sheet Location	Fair Value		Location of Offsetting Balance	Offsetting Amount
	(In thousands)
June 30, 2012
Interest rate swap designated as cash flow hedging instrument:
Variable-to-fixed interest rate swap contract ($155.0 million of LIBOR based debt interest)	Other long-term     liabilities	$	2,382	Accumulated other     comprehensive loss	$	2,382
December 31, 2011
Interest rate swap designated as cash flow hedging instrument:
Variable-to-fixed interest rate swap contract ($155.0 million of LIBOR based debt interest)	Other long-term     liabilities	$	520	Accumulated other     comprehensive loss	$	520

Schedule of Interest Expense and Other Debt Information

Interest expense consists of the following components:

	Six Months Ended June 30,
	2012		2011
	(In thousands)
Interest on outstanding debt:
Credit Agreement, net of interest on interest rate swap	$	2,953	$	5,013
6.5% Senior Notes	5,966		—
6.25% Senior Notes	2,422		5,781
8.25% Senior Notes	6,193		6,187
Promissory Notes	543		—
Amortization of discount and deferred debt issuance costs	3,422		595
Commitment fees	362		227
Total interest incurred	21,861		17,803
Less capitalized interest	132		530
Net interest expense	$	21,729	$	17,273
Cash paid for interest	$	17,039	$	17,204