Derivative Instruments - Fair Values of Instruments (Details) - USD ($) $ in Millions	Apr. 04, 2021	Jan. 03, 2021
Fair values of derivative financial instruments
Total derivatives, net	$ (11.3)	$ (16.3)
Designated as hedging instrument
Fair values of derivative financial instruments
Total liability derivatives	(11.3)	(21.8)
Not designated as hedging instrument
Fair values of derivative financial instruments
Total asset derivatives		5.5
Cash flow forward contracts | Designated as hedging instrument | Other assets
Fair values of derivative financial instruments
Total asset derivatives	6.5	7.3
Cash flow forward contracts | Not designated as hedging instrument | Accrued liabilities
Fair values of derivative financial instruments
Total liability derivatives	(3.3)	(1.2)
Cash flow forward contracts | Not designated as hedging instrument | Other current assets
Fair values of derivative financial instruments
Total asset derivatives	3.3	6.7
Cash flow cross currency swap in other current assets | Designated as hedging instrument | Other current assets
Fair values of derivative financial instruments
Total asset derivatives	3.3	3.3
Cash flow cross currency swap in other current assets (accrued interest) | Designated as hedging instrument | Other current assets
Fair values of derivative financial instruments
Total asset derivatives	0.1	0.1
Cross currency swap | Designated as hedging instrument | Other current liabilities (accrued interest)
Fair values of derivative financial instruments
Total liability derivatives	(18.4)	(29.2)
Interest rate contracts | Designated as hedging instrument | Other current liabilities (accrued interest)
Fair values of derivative financial instruments
Total asset derivatives	(1.2)	(1.8)
Interest rate contracts in other current liabilities | Designated as hedging instrument | Other current liabilities
Fair values of derivative financial instruments
Total liability derivatives	(1.5)	(1.5)
Interest rate contracts in other current liabilities (accrued interest) | Designated as hedging instrument | Other current liabilities (accrued interest)
Fair values of derivative financial instruments
Total liability derivatives	$ (0.1)	$ 0.0