Accrued Expenses and Other Current Liabilities
 3 Months Ended
Mar. 31, 2015
Payables and Accruals [Abstract]  
Accrued Expenses and Other Current Liabilities
Accrued Expenses and Other Current Liabilities
Accrued expenses and other current liabilities consist of the following:
 
 
March 31,
 
December 31,
 
 
2015
 
2014
 
 
(In thousands)
Payroll and employee benefits
 
$
49,039

 
$
73,362

Taxes other than income taxes
 
111,362

 
114,598

Interest
 
77,375

 
30,384

Acquired sales contracts
 
11,635

 
12,453

Workers’ compensation
 
15,586

 
16,714

Asset retirement obligations
 
19,215

 
19,222

Other
 
37,291

 
35,663

 
 
$
321,503

 
$
302,396