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

9 Months Ended

Sep. 30, 2017

Debt Disclosure [Abstract]

Long-Term Debt

Our long-term debt as of the dates indicated consisted of the following:

	September 30, 2017			December 31, 2016
	(In thousands)
Credit agreement with an average interest rate of 3.3% and 2.8% at September 30, 2017 and December 31, 2016, respectively	$	162,100		$	160,800
6.625% senior subordinated notes due 2021	650,000			650,000
Total principal amount	812,100			810,800
Less: unamortized discount	(2,380		)	(2,804		)
Less: debt issuance costs, net	(5,887		)	(7,079		)
Total long-term debt	$	803,833		$	800,917

Other Long-Term Liabilities

Other long-term liabilities consisted of the following:

	September 30, 2017		December 31, 2016
	(In thousands)
Asset retirement obligation (ARO) liability	$	75,485	$	70,170
Capital lease obligations	16,161		18,918
Workers’ compensation	13,420		15,163
Separation benefit plans	6,020		4,943
Deferred compensation plan	5,287		4,578
Gas balancing liability	3,322		3,789
Other	—		410
	119,695		117,971
Less current portion	14,227		14,907
Total other long-term liabilities	$	105,468	$	103,064

Capital leases

Future payments required under the capital leases at September 30, 2017:

	Amount
Beginning October 1,	(In thousands)
2017	$	6,168
2018	6,168
2019	6,168
2020	5,310
Total future payments	23,814
Less payments related to:
Maintenance	6,320
Interest	1,333
Present value of future minimum payments	$	16,161