Debt (Tables)

3 Months Ended

Mar. 31, 2013

Long-term Debt, Unclassified [Abstract]

Components of long-term debt

Debt	March 31,			December 31,
(Amounts in thousands)	2013			2012
Revolving credit facility	$	216,000		$	235,000
Term loans	277,500			281,250
Capital lease obligation of PBL	473			507
Total debt	493,973			516,757
Less current maturities	(15,070		)	(15,072		)
Long-term debt, net of current maturities	$	478,903		$	501,685
Weighted average interest rate at end of period	2.70		%	2.71		%