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Commitments
12 Months Ended
Dec. 31, 2013
Commitments [Abstract]  
Commitments
COMMITMENTS
Certain of the Company’s subsidiaries lease facilities and equipment used in operations under both month-to-month and fixed-term agreements. The aggregate minimum rentals under operating leases with non-cancelable terms of one year or more as of December 31, 2013 are as follows:

 
Lease
Commitments
 
Sublease
Rentals
 
Net
Year Ending December 31:
 

 
 

 
 

2014
$
18,146

 
$
130

 
$
18,016

2015
16,975

 
111

 
16,864

2016
13,762

 

 
13,762

2017
12,007

 

 
12,007

2018
9,999

 

 
9,999

Thereafter
26,032

 

 
26,032

Total
$
96,921

 
$
241

 
$
96,680



The Company’s rental expense for the years ended December 31, 2013, 2012 and 2011 was $6,523, $4,100 and $4,313, respectively.