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Operating Leases
12 Months Ended
Dec. 31, 2014
Leases [Abstract]  
Operating Leases
Operating Leases

Rental expense for all non-cancelable operating leases, primarily for warehouses, was $19.6 million, $18.1 million and $18.6 million for the years ended December 31, 2014, 2013 and 2012, respectively.

Future minimum rentals under operating leases are as follows (dollars in thousands):
2015
 
2016
 
2017
 
2018
 
2019
 
2020 and
thereafter
 
$14,024
 
$14,308
 
$13,238
 
$12,333
 
$12,039
 
$50,777