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Warranty Obligations - Changes in Warranty Obligations (Detail)
$ in Thousands
6 Months Ended
Jul. 03, 2016
USD ($)
Movement in Standard Product Warranty Accrual [Roll Forward]  
Beginning balance $ 4,174
Provisions for warranties issued during the period 1,308
Fulfillment of warranty obligations (1,369)
Foreign exchange rate changes 89
Ending balance $ 4,202