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Share-Based Compensation - Weighted-Average Assumptions Used for Employee Purchase Rights Granted Under Stock Purchase Plan (Detail) - Stock Purchase Plan - $ / shares
6 Months Ended
Jul. 02, 2016
Jul. 04, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair market value $ 60.28 $ 82.68
Option price $ 57.26 $ 78.55
Expected dividend yield 0.00% 0.00%
Expected volatility 58.00% 27.00%
Risk free interest rate 0.21% 0.04%