Other Income (Expense) - Net - Computation of Other Income (Expense) - Net (Detail) - USD ($) $ in Millions	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Other Income and Expenses [Abstract]
Interest income	$ 2.1	$ 1.7	$ 1.5
Net foreign exchange loss	(1.2)	(3.9)	(3.6)
Net periodic pension and postretirement benefits - non-service	15.2	10.6	10.4
Foreign currency translation loss from sale of equity interest	(1.0)	0.0	0.0
Other	1.4	0.3	0.5
Total other income (expense) – net	$ 16.5	$ 8.7	$ 8.8