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Warranty Obligations - Changes in Warranty Obligations (Detail)
$ in Thousands
3 Months Ended
Apr. 02, 2017
USD ($)
Movement in Standard Product Warranty Accrual [Roll Forward]  
Beginning balance $ 4,335
Provisions for warranties issued during the period 710
Fulfillment of warranty obligations (596)
Foreign exchange rate changes 65
Ending balance $ 4,514