Pension Plans - Narratve (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Defined Benefit Plan Disclosure [Line Items]
Normal retirement age	65 years
Accumulated benefit obligation	$ 1,478.0	$ 1,316.1
Expense recognized related to 401(k)plan	$ 9.8	$ 9.4	$ 8.9
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]
Weighted-average discount rate	3.40%
Increase in pension expense	$ 4.3
Increase in projected benefit obligation	$ 74.2
Percentage of projected benefit obligations	83.00%
Foreign Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Weighted-average discount rate	2.10%
Increase in pension expense	$ 1.6
Increase in projected benefit obligation	$ 26.8
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Expected long-term rate of return on plan assets	7.10%	7.10%	7.20%
Pension Plan | United States
Defined Benefit Plan Disclosure [Line Items]
Expected future employer contributions	$ 2.9
Expected long-term rate of return on plan assets	7.25%
Pension plans' assets as percentage of worldwide pension assets	87.00%
Pension Plan | Foreign Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Expected future employer contributions	$ 8.7
Pension Plan | Foreign Pension Plans | Minimum
Defined Benefit Plan Disclosure [Line Items]
Expected long-term rate of return on plan assets	1.30%
Pension Plan | Foreign Pension Plans | Maximum
Defined Benefit Plan Disclosure [Line Items]
Expected long-term rate of return on plan assets	5.70%