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Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2013
Commitments and Contingencies [Abstract]  
Rent Expense
Total rent expense for the three years ended December 31, 2013 was as follows (in thousands):
 
 
 
Total
  
Real Estate
  
Other
 
2013
 
$
10,324
  
$
7,841
  
$
2,483
 
2012
  
10,695
   
7,829
   
2,866
 
2011
  
9,385
   
7,195
   
2,190
 
Minimum Rental Payments under Operating Leases
At December 31, 2013, we are obligated to make minimum rental payments through 2022, under operating leases, which are as follows (in thousands):

2014
 
$
7,531
 
2015
  
6,717
 
2016
  
5,686
 
2017
  
3,592
 
2018
  
2,259
 
Thereafter
  
2,221
 
Total
 
$
28,006
 
Changes in Product Warranties
The following table provides the changes in our product warranties:

 
 
December 31,
 
 
 
2013
  
2012
 
 
 
(In thousands)
 
Balance, beginning of period                                                                                                                
 
$
17,288
  
$
13,500
 
Liabilities accrued for current year sales                                                                                                                
  
78,058
   
76,548
 
Settlements of warranty claims                                                                                                                
  
(77,305
)
  
(72,760
)
Balance, end of period                                                                                                                
 
$
18,041
  
$
17,288