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Operating Leases (Tables)
12 Months Ended
Dec. 31, 2016
Leases [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases
Future minimum payments under operating leases with noncancelable terms are as follows:
(In thousands)
 
 
2017
 
$
12,482

2018
 
9,187

2019
 
7,429

2020
 
6,434

2021
 
5,040

After 2021
 
16,932