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Warranty Obligations - Changes in Warranty Obligations (Detail) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 29, 2014
Payables and Accruals [Abstract]  
Beginning Balance $ 3,016
Provisions for warranties issued during the period 1,416
Fulfillment of warranty obligations (1,043)
Foreign exchange rate changes (28)
Ending Balance $ 3,361