XML 38 R26.htm IDEA: XBRL DOCUMENT v3.5.0.2
Pension and Other Postretirement Benefits (Tables)
9 Months Ended
Sep. 30, 2016
Compensation and Retirement Disclosure [Abstract]  
Schedule of Net Benefit Costs
Pension and other postretirement benefits expenses consisted of the following:
 
Three months ended September 30,
 
Nine months ended September 30,
Pensions
2016
 
2015
 
2016
 
2015
Service cost
$
1,354

 
$
1,374

 
$
4,056

 
$
4,126

Interest cost
4,869

 
4,976

 
14,650

 
14,968

Expected return on plan assets
(7,564
)
 
(8,048
)
 
(22,774
)
 
(24,207
)
Amortization of prior service cost
52

 
76

 
157

 
231

Amortization of actuarial losses
2,697

 
3,730

 
8,109

 
11,215

Net periodic benefit cost
$
1,408

 
$
2,108

 
$
4,198

 
$
6,333

 
 
 
 
 
 
 
 

 
Three months ended September 30,
 
Nine months ended September 30,
Other Postretirement Benefits
2016
 
2015
 
2016
 
2015
Service cost
$
31

 
$
36

 
$
92

 
$
109

Interest cost
440

 
459

 
1,324

 
1,377

Amortization of prior service credit
(93
)
 
(141
)
 
(280
)
 
(423
)
Amortization of actuarial losses
134

 
253

 
401

 
758

Net periodic benefit cost
$
512

 
$
607

 
$
1,537

 
$
1,821