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Product Warranties (Tables)
12 Months Ended
Dec. 31, 2014
Product Warranties [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]
The following table represents changes in the Company’s consolidated warranty reserve:
 
Year Ended December 31,
 
2014
 
2013
 
2012
Beginning balance
$
33,827

 
$
44,486

 
$
13,181

Warranty expense
14,463

 
17,486

 
12,494

Warranty usage
(24,044
)
 
(28,359
)
 
(18,222
)
Acquired warranty reserves

 
214

 
37,033

Ending balance
$
24,246

 
$
33,827

 
$
44,486


Warranty expense for 2014 does not include the impact of the Company’s recovery of $5,003 during 2014 from an escrow settlement relating to excess warranty costs for certain product lines acquired from AirSep in 2012.