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Stock-Based Compensation - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Sep. 26, 2020
Sep. 28, 2019
Sep. 26, 2020
Sep. 28, 2019
Dec. 28, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Payment Arrangement, Expensed and Capitalized, Amount $ 11.9 $ 10.9 $ 36.4 $ 29.6  
Common Stock, Capital Shares Reserved for Future Issuance 11,800,000   11,800,000    
Options available for grant, end of period 4,400,000   4,400,000    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 4,084,000   4,084,000   5,212,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights     three years    
Aggregate intrinsic value of options outstanding $ 634.3   $ 634.3    
Aggregate intrinsic value of options exercisable 475.0   475.0    
Aggregate intrinsic value of options exercised 17.9   215.4    
Employee Stock Option          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Payment Arrangement, Expensed and Capitalized, Amount 3.8 3.7 11.9 11.0  
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount 45.0   $ 45.0    
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition     2 years 10 months 24 days    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term     5 years 9 months 18 days    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term     4 years 8 months 12 days    
Restricted Stock Units (RSUs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Payment Arrangement, Expensed and Capitalized, Amount 1.5 0.9 $ 4.0 1.9  
Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount $ 21.7   $ 21.7    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms     4 years    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 2,852,000   2,852,000   2,797,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     86,000    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period     4,000    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expired in Period     0    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Exercised in Period     (27,000)    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 99.10   $ 99.10   $ 96.85
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value     186.57    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value     153.71    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value     $ 134.78    
Performance Shares          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Payment Arrangement, Expensed and Capitalized, Amount $ 6.6 $ 6.3 $ 20.5 $ 16.7  
Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount $ 44.7   $ 44.7    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms     1 year 1 month 6 days    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 473,000   473,000   412,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period     7,000    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expired in Period     0    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 118.47   $ 118.47   $ 102.22
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value     179.42    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value     122.13    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value     $ 90.69    
Performance Shares | Minimum          
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     97,000    
Share-based compensation arrangement by share-based payment award, range of percentage payout 0.00%   0.00%    
Performance Shares | 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     194,000    
Share-based compensation arrangement by share-based payment award, range of percentage payout 200.00%   200.00%    
Chief Executive Officer | Restricted Stock Units (RSUs)          
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  
2017 Equity Incentive Plan [Domain]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 2,500,000        
2017 Equity Incentive Plan [Domain] | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Options available for grant, end of period 5,000,000.0   5,000,000.0    
2017 Equity Incentive Plan [Domain] | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Options available for grant, end of period 7,500,000   7,500,000    
2007 Stock Incentive Plan [Domain] | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Options available for grant, end of period 5,000,000.0   5,000,000.0