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Warranty Obligations - Changes in Warranty Obligations (Detail)
$ in Thousands
9 Months Ended
Oct. 02, 2016
USD ($)
Movement in Standard Product Warranty Accrual [Roll Forward]  
Beginning balance $ 4,174
Provisions for warranties issued during the period 2,292
Fulfillment of warranty obligations (2,056)
Foreign exchange rate changes 134
Ending balance $ 4,544