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Lease Commitments
12 Months Ended
Dec. 31, 2013
Leases [Abstract]  
Lease Commitments
Lease Commitments
The approximate future minimum rental commitments, exclusive of taxes and other related charges, for all significant non-cancellable operating leases at December 31, 2013, are summarized as follows (in thousands):
Year ending December 31,
 
2014
$
6,209

2015
5,671

2016
5,717

2017
5,394

2018
4,736

Thereafter
16,549

 
$
44,276



Rental expense was $6,850,000, $7,115,000 and $6,315,000 for the years ended December 31, 2013, 2012 and 2011, respectively.