Leases - Maturity (Details) - USD ($) $ in Millions	Mar. 28, 2020	Dec. 28, 2019
Operating Leases
Remainder of 2020	$ 37.7	$ 47.8
2021	39.5	38.4
2022	30.6	29.6
2023	26.2	25.3
2024	21.1	20.6
Thereafter	93.9	93.5
Total lease payments	249.0	255.2
Less imputed interest	(61.3)	(63.5)
Present value of lease obligations	187.7	191.7
Finance Leases
Remainder of 2020	9.5	6.8
2021	10.8	6.1
2022	9.8	5.7
2023	8.9	5.4
2024	7.3	4.6
Thereafter	11.5	6.4
Total lease payments	57.8	35.0
Less imputed interest	(8.3)	(5.6)
Present value of lease obligations	$ 49.5	$ 29.4