XML 29 R18.htm IDEA: XBRL DOCUMENT v3.7.0.1
RETIREMENT AND POSTRETIREMENT BENEFIT PLANS
 3 Months Ended
Mar. 31, 2017
Compensation and Retirement Disclosure [Abstract]  
RETIREMENT AND POSTRETIREMENT BENEFIT PLANS
RETIREMENT AND POSTRETIREMENT BENEFIT PLANS
The components of total pension cost were as follows:
 
 
Three Months Ended March 31,
 
 
2017
 
2016
Service cost
 
$
734

 
$
4,430

Interest cost
 
5,532

 
6,011

Expected return on plan assets
 
(8,615
)
 
(8,864
)
Amortization of prior service cost
 
4

 
(99
)
Amortization of net loss
 
1,000

 
2,666

Defined benefit plans
 
(1,345
)
 
4,144

Multi-employer plans
 
193

 
202

Defined contribution plans
 
6,764

 
1,969

Total pension cost (1)
 
$
5,612

 
$
6,315



(1) The decrease for the three months ended March 31, 2017 as compared to the prior year period reflects lower service cost and lower amortization of net losses related to the defined benefit plan freeze effective December 31, 2016, partially offset by higher defined contribution plan expense related to the Company's amended U.S. defined contribution plan that was effective January 1, 2017.