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Commitments (Tables)
12 Months Ended
Dec. 31, 2018
Commitments [Abstract]  
Future Minimum Lease Payments and Rentals under Operating Leases
The following schedule outlines the future minimum lease payments and rentals under operating leases:

(In thousands)
 
Operating Leases
 
2019
 
$
29,912
 
2020
  
28,123
 
2021
  
25,923
 
2022
  
20,484
 
2023
  
14,740
 
Subsequent to 2023
  
48,941
 
Total minimum lease payments
 
$
168,123
 
Net Rental Expense Applicable to Operating Leases
Net rental expense applicable to operating leases consisted of the following for the years ended December 31:

(In thousands)
 
2018
  
2015
  
2016
 
Property
         
Minimum
 
$
27,124
  
$
27,543
  
$
26,594
 
Additional rentals based on sales
  
22
   
21
   
4
 
Sublease income
  
(130
)
  
(90
)
  
(58
)
   
27,016
   
27,474
   
26,540
 
Equipment
  
3,029
   
3,084
   
3,031
 
  
$
30,045
  
$
30,558
  
$
29,571