Income Taxes - Summary of Changes To The Valuation Allowance (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019
Income Tax Disclosure [Abstract]
Valuation allowance, beginning balance	$ 554.8	$ 484.1	$ 419.7
Additions (deductions) charged to provision for (benefit from) income taxes	45.4	63.0	64.7
Currency translation/ other	(9.0)	7.7	(0.3)
Valuation allowance, ending balance	$ 591.2	$ 554.8	$ 484.1