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Leases (Tables)
12 Months Ended
Dec. 31, 2016
Leases [Abstract]  
Operating Leases
Commitments for minimum rentals under non-cancelable leases at the end of 2016 are as follows:

 (In thousands)
 
Operating
Leases

2017
 

$27,671

2018
 
20,678

2019
 
14,780

2020
 
10,149

2021
 
7,813

Thereafter
 
13,535

Total minimum lease payments
 

$94,626