Debt (Tables)

6 Months Ended

Jun. 30, 2012

Debt [Abstract]

Summary of outstanding debt

	2011 Credit Agreement
(Amounts in thousands)	Senior secured credit facility due 2017			Senior secured incremental term loan due 2017			Second Lien Notes due 2018			Total Debt
Balance at December 31, 2011	$	339,232		$	146,656		$	325,000		$	810,888
Payments		—			(750	)		—			(750	)
Accretion of discount		65			162			—			227
Balance at June 30, 2012	$	339,297		$	146,068		$	325,000		$	810,365
Weighted average interest rate		4.36	%		4.38	%		13.25	%

Schedule of debt discount amortization

	Three Months Ended June 30,				Six Months Ended June 30,
(Amounts in thousands)	2012		2011		2012		2011
Amortization of debt discount	$	117	$	93	$	227	$	237
Write-off of debt discount upon prepayments		—		123		—		123
Total amortization of discount	$	117	$	216	$	227	$	360

Credit Agreement quarterly financial covenants

	Interest Coverage Minimum Ratio		Total Leverage Not To Exceed
Present through September 30, 2012		2.00:1		4.75:1
December 31, 2012 through September 30, 2013		2.15:1		4.625:1
December 31, 2013 through September 30, 2014		2.15:1		4.375:1
December 31, 2014 through September 30, 2015		2.25:1		4.00:1
December 31, 2015 through September 30, 2016		2.25:1		3.75:1
December 31, 2016 through maturity		2.25:1		3.50:1

Summary of deferred financing costs

	2011 Credit Agreement
(Amounts in thousands)	Senior secured credit facility			Senior secured incremental term			Senior revolving credit facility			Second Lien Notes			Total Deferred Financing Costs
Balance at December 31, 2011	$	6,882		$	3,092		$	3,523		$	16,649		$	30,146
Amortization of deferred financing costs		(586	)		(266	)		(402	)		(1,299	)		(2,553	)
Write-off of deferred financing costs		—			(14	)		—			—			(14	)
Balance at June 30, 2012	$	6,296		$	2,812		$	3,121		$	15,350		$	27,579