Accrued Expenses and Other Current Liabilities (Tables)

6 Months Ended

Jun. 30, 2018

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities

Accrued expenses and other current liabilities consist of the following:

	June 30,		December 31,
	2018		2017
	(In thousands)
Payroll and employee benefits	$	41,627	$	53,149
Taxes other than income taxes	78,501		77,017
Interest	204		246
Acquired sales contracts	634		934
Workers’ compensation	19,664		18,782
Asset retirement obligations	19,840		19,840
Other	34,260		14,193
	$	194,730	$	184,161