XML 13 R54.htm IDEA: XBRL DOCUMENT v3.3.0.814
Product Warranty Reserve - Roll Forward of Product Warranty Reserve (Detail) - Warranty Reserves [Member] - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Valuation and Qualifying Accounts Disclosure [Line Items]    
Beginning of period balance $ 892 $ 1,140
Additions charged to income 17 205
Warranty usage (139) (103)
Currency translation (108) (11)
End of period balance $ 662 $ 1,231