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Pension Plans - Narratve (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 29, 2018
Dec. 30, 2017
Dec. 31, 2016
Defined Benefit Plan Disclosure [Line Items]      
Normal retirement age 65 years    
Accumulated benefit obligation $ 1,316.1 $ 1,385.0  
Expense recognized related to 401(k)plan $ 9.4 $ 8.9 $ 8.2
Minimum      
Defined Benefit Plan Disclosure [Line Items]      
Time horizon for asset under risk and correlation assumption (in years) 10 years    
Maximum      
Defined Benefit Plan Disclosure [Line Items]      
Time horizon for asset under risk and correlation assumption (in years) 20 years    
United States      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Discount Rate Assumption Decrease 0.00%    
Weighted-average discount rate 4.40%    
Discount rate assumption 0.50%    
Increase in pension expense $ 3.7    
Increase in projected benefit obligation $ 62.9    
Percentage of projected benefit obligations 83.00%    
Foreign Pension Plans      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Discount Rate Assumption Decrease 0.00%    
Weighted-average discount rate 3.00%    
Discount rate assumption 0.50%    
Increase in pension expense $ 1.9    
Increase in projected benefit obligation $ 21.0    
Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Expected long-term rate of return on plan assets 7.10% 7.20% 7.40%
Pension Plan | United States      
Defined Benefit Plan Disclosure [Line Items]      
Expected future employer contributions $ 1.9    
Expected long-term rate of return on plan assets 7.45%    
Pension plans' assets as percentage of worldwide pension assets 86.00%    
Pension Plan | Foreign Pension Plans      
Defined Benefit Plan Disclosure [Line Items]      
Expected future employer contributions $ 9.4    
Pension Plan | Foreign Pension Plans | Minimum      
Defined Benefit Plan Disclosure [Line Items]      
Expected long-term rate of return on plan assets 2.00%    
Pension Plan | Foreign Pension Plans | Maximum      
Defined Benefit Plan Disclosure [Line Items]      
Expected long-term rate of return on plan assets 6.10%