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Product Warranties (Notes)
 9 Months Ended
Sep. 30, 2014
Product Warranties [Abstract]  
Product Warranty Disclosure [Text Block]
Product Warranties
The Company provides product warranties with varying terms and durations for the majority of its products. The Company estimates its warranty reserve by considering historical and projected warranty claims, historical and projected cost-per-claim and knowledge of specific product issues that are outside its typical experience. The Company records warranty expense in cost of sales. Product warranty claims not expected to occur within one year are recorded in the long-term portion of the warranty reserve in the condensed consolidated balance sheets.
The following table represents changes in the Company’s consolidated warranty reserve:
Balance at December 31, 2013
$
33,827

Warranty expense
10,950

Warranty usage
(18,916
)
Balance at September 30, 2014
$
25,861