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Warranty Obligations - Changes in Warranty Obligations (Detail)
$ in Thousands
6 Months Ended
Jul. 05, 2015
USD ($)
Movement in Standard Product Warranty Accrual [Roll Forward]  
Beginning balance $ 4,086
Provisions for warranties issued during the period 2,851
Fulfillment of warranty obligations (2,593)
Foreign exchange rate changes (341)
Ending balance $ 4,003