Leases - Maturity (Details) - USD ($) $ in Millions	Jan. 02, 2021	Dec. 28, 2019
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2021	$ 45.4
2022	35.1
2023	30.5
2024	25.2
2025	20.6
Thereafter	81.0
Total lease payments	237.8
Less imputed interest	(54.3)
Present value of lease obligations	183.5	$ 191.7
Finance Lease, Liability, Payment, Due [Abstract]
2021	16.5
2022	15.5
2023	14.5
2024	12.7
2025	11.6
Thereafter	11.6
Total lease payments	82.4
Less imputed interest	(10.9)
Present value of lease obligations	$ 71.5	$ 29.4