Annual report pursuant to Section 13 and 15(d)

Other Long-term Liabilities (Tables)

v3.8.0.1
Other Long-term Liabilities (Tables)
12 Months Ended
Dec. 31, 2017
Other Liabilities Disclosure [Abstract]  
Other Long-term Liabilities
The following table summarizes the components of other long-term liabilities as follows:
 
 
December 31,
 
 
2017
 
2016
Pension benefits
 
$
69,914

 
$
71,443

Supply contract (see Note 25)
 
20,612

 
22,250

Other postretirement benefits
 
4,503

 
3,991

Supplemental retirement plans
 
11,667

 
12,055

Reserve for uncertain tax positions
 
4,244

 
4,149

Asset retirement obligation
 
4,094

 
3,700

Other
 
5,437

 
5,567

Total
 
$
120,471

 
$
123,155