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Changes in Carrying Amount of Service and Product Warranties (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Product Liability Contingency [Line Items]    
Beginning balance $ 29,355 $ 30,050
Service and product warranty provision 55,710 50,096
Payments (53,328) (53,937)
Acquired 21,529 3,575
Translation 430 (429)
Ending balance $ 53,696 $ 29,355