Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2012

Fair Value Measurements

Schedule of assets and liabilities measured at fair value on a recurring basis

	June 30, 2012
	Level 1		Level 2			Level 3		Total
	(in thousands)
Location and Description
Cash equivalents	$	178,508	$	—		$	—	$	178,508
Other current assets (marketable securities)		31		—			—		31
Other current assets (other derivative agreements)		—		6,862			—		6,862
Other long-term assets (other derivative agreements)		—		346			—		346
Total Assets	$	178,539	$	7,208		$	—	$	185,747
Other current liabilities (other derivative agreements)		—		(6,056	)		—		(6,056	)
Other current liabilities (interest rate swap)		—		(927	)		—		(927	)
Other long-term liabilities (other derivative agreements)		—		(1,214	)		—		(1,214	)
Other long-term liabilities (interest rate swap)		—		(1,957	)		—		(1,957	)
Total Liabilities	$	—	$	(10,154	)	$	—	$	(10,154	)

	December 31, 2011
	Level 1		Level 2			Level 3		Total
	(in thousands)
Location and Description
Cash equivalents	$	187,327	$	—		$	—	$	187,327
Other current assets (marketable securities)		25		—			—		25
Other current assets (other derivative agreements)		—		63,051			—		63,051
Other long-term assets (other derivative agreements)		—		18,831			—		18,831
Total Assets	$	187,352	$	81,882		$	—	$	269,234
Other current liabilities (interest rate swap)		—		(905	)		—		(905	)
Other long-term liabilities (interest rate swap)		—		(1,483	)		—		(1,483	)
Total Liabilities	$	—	$	(2,388	)	$	—	$	(2,388	)