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

9 Months Ended

Sep. 30, 2013

Debt Disclosure [Abstract]

Long-Term Debt

Our long-term debt consisted of (or arose under) the following:

	September 30, 2013		December 31, 2012
	(In thousands)
Credit agreement with an average interest rate of 2.9% at December 31, 2012	$	—	$	71,100
6.625% senior subordinated notes due 2021, net of unamortized discount of $4.4 million at September 30, 2013 and $4.7 million at December 31, 2012	645,584		645,259
Total long-term debt	$	645,584	$	716,359

Other Long-Term Liabilities

As of the dates indicated, other long-term liabilities consisted of the following:

	September 30, 2013		December 31, 2012
	(In thousands)
Asset retirement obligation (ARO) liability	$	133,894	$	146,159
Workers’ compensation	20,207		18,517
Separation benefit plans	8,991		7,972
Gas balancing liability	3,838		3,838
Deferred compensation plan	3,216		2,779
	170,146		179,265
Less current portion	11,985		12,282
Total other long-term liabilities	$	158,161	$	166,983