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Share-Based Compensation - Weighted-Average Assumptions Used for Employee Purchase Rights Granted Under Stock Purchase Plan (Detail) - $ / shares
3 Months Ended
Apr. 02, 2016
Apr. 04, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk free interest rate, minimum 0.02% 0.02%
Risk free interest rate, maximum 2.14% 2.61%
Stock Purchase Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair market value $ 69.65 $ 77.41
Option price $ 66.17 $ 73.54
Expected dividend yield 0.00% 0.00%
Expected volatility 59.00% 23.00%
Risk free interest rate 0.21% 0.04%