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Product Warranties (Tables)
 12 Months Ended
Dec. 31, 2013
Product Warranties Disclosures [Abstract]  
Schedule of Product Warranty Liability
Changes in the Company's current and long-term warranty obligations are as follows:
 
2013
 
2012
Balance at January 1
$
4,269

 
$
4,230

Warranties issued
8,855

 
6,398

Settlements made
(7,781
)
 
(6,359
)
Balance at December 31
$
5,343

 
$
4,269