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Estimated Future Amortization Expense Related to Finite-Lived Purchased Intangible Assets (Detail) - USD ($)
$ in Thousands
Jul. 02, 2016
Jan. 02, 2016
Finite-Lived Intangible Assets [Line Items]    
2016 $ 427  
2017 754  
2018 615  
2019 615  
2020 274  
Finite Lived, Net Carrying Amount $ 2,685 $ 3,112