Financial Assets and Financial Liabilities Measured at Fair Value (Tables)

3 Months Ended

Mar. 31, 2012

Financial Assets and Financial Liabilities Measured at Fair Value

Carrying values and estimated fair values of long-term debt, including current maturities

	March 31, 2012				December 31, 2011
	Carrying		Fair Value		Carrying		Fair Value
(in thousands)	Value		(Level 2)		Value		(Level 2)
Total long-term debt	$	1,564,649	$	1,707,140	$	1,567,532	$	1,702,373

Fair values for derivatives

	Fair Value			Fair Value
	As of			As of
	March 31, 2012			December 31, 2011
(in thousands)	(Level 2)			(Level 2)
Forward exchange contracts — net asset (liability) position	$	3		$	(3	)
Interest rate swaps — net asset (liability) position	(3,632		)	3,268