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RETIREMENT AND POSTRETIREMENT BENEFIT PLANS (Tables)
3 Months Ended
Mar. 31, 2020
Retirement Benefits [Abstract]  
Components of total pension cost
The components of total pension cost were as follows:
 
Three Months Ended March 31,
 
2020
 
2019
 
U.S. pension plans
 
Non-U.S. pension plans
 
U.S. pension plans
 
Non-U.S. pension plans
Service cost
$
39

 
$
756

 
$
35

 
$
728

Interest cost
4,050

 
696

 
4,653

 
936

Expected return on plan assets
(5,711
)
 
(1,007
)
 
(6,245
)
 
(1,124
)
Amortization of prior service cost

 
15

 

 
16

Amortization of net loss
203

 
555

 
413

 
585

Defined benefit plans
(1,419
)
 
1,015

 
(1,144
)
 
1,141

Multi-employer plans

 
269

 

 
247

Defined contribution plans
5,626

 
702

 
5,908

 
499

Total pension cost
$
4,207

 
$
1,986

 
$
4,764

 
$
1,887