Pension Plans - Summary of Amounts Recognized in Consolidated Balance Sheets (Detail) - USD ($) $ in Millions	Jan. 01, 2022	Jan. 02, 2021
Defined Benefit Plan Disclosure [Line Items]
Pension liabilities	$ (104.9)	$ (127.1)
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Other assets	160.7	54.2
Accrued benefits	(12.0)	(4.7)
Pension liabilities	(104.9)	(127.1)
Net asset (liability)	$ 43.8	$ (77.6)