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Stock-Based Compensation - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Jul. 27, 2017
Mar. 31, 2018
Apr. 01, 2017
Dec. 30, 2017
Sep. 01, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Percentage Of Revenue Two Customer   10.70% 12.10%    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost   $ 5.3 $ 2.9    
Common Stock, Capital Shares Reserved for Future Issuance   13,400,000      
Options to purchase of shares of common stock   900,000 100,000    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number   6,826,000   6,953,000  
Number of common shares authorized to be repurchased under new stock repurchase program         5,000,000.0
Exercised   $ 28.24      
Options available for grant, end of period   3,600,000      
Aggregate intrinsic value of options outstanding   $ 338.5      
Aggregate intrinsic value of options exercisable   244.9      
Aggregate intrinsic value of options exercised   $ 19.1      
Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Options available for grant, end of period   5,000,000      
Employee Stock Option [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost   $ 3.4 $ 2.8    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition   3 years 9 months 18 days      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term   5 years 10 months 25 days      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term   4 years 4 months 24 days      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options   $ 42.8      
Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number   2,708,000   2,708,000  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value   $ 95.51   $ 95.51  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Exercised in Period   0      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value   $ 0.00      
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost   $ 0.2 $ 0.1    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period   0      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options   $ 0.1      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value   $ 0.00      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period   0      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value   $ 0.00      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expired in Period   0      
Performance Shares [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value   $ 88.34      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Exercised in Period   233,000      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value   $ 90.70      
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost   $ 1.7      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period   197,000      
Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award   313      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options   $ 32.3      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value   $ 86.95      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period   86,000      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value   $ 90.71      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expired in Period   0      
Performance Shares [Member] | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Options available for grant, end of period   0.00      
Performance Shares [Member] | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period   394,000      
Options available for grant, end of period   2.00      
Chief Executive Officer [Member] | Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period   2,700,000 2,700,000    
Employment Agreement, Severance Terms 50.00%