XML 18 R55.htm IDEA: XBRL DOCUMENT v2.4.0.6
Summary of Significant Accounting Policies (Changes in the Carrying Amount of Warranty Obligations) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Movement in Standard Product Warranty Accrual [Roll Forward]    
Balance at December 31 $ 3,910 $ 3,440
Provision charged to cost of sales 4,631 4,376
Usage (4,099) (3,649)
Adjustments to previously provided warranties, net (213) (198)
Currency translation 134 (59)
Balance at December 31 $ 4,363 $ 3,910