Long-Term Debt And Other Long-Term Liabilities (Tables)

9 Months Ended

Sep. 30, 2011

Long-Term Debt And Other Long-Term Liabilities

Long-Term Debt

	September 30, 2011		December 31, 2010
	(In thousands)
Credit agreement with average interest rates, of 2.2% and 3.5% at September 30, 2011 and December 31, 2010, respectively	$	55,400	$	163,000
6.625% senior subordinated notes due 2021		250,000		0
Total long-term debt	$	305,400	$	163,000

Other Long-Term Liabilities

	September 30, 2011		December 31, 2010
	(In thousands)
Asset retirement obligations	$	92,802	$	69,265
Workers' compensation		17,921		17,566
Separation benefit plans		6,480		5,690
Gas balancing		3,263		3,263
Deferred compensation plan		2,266		2,368
		122,732		98,152
Less current portion		10,031		10,122
Total other long-term liabilities	$	112,701	$	88,030