Leases - Summary of Future Lease Payments (Detail) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Operating Leases
Present value of lease payments	$ 433.3	$ 459.0
Less: current lease obligations	(53.9)	(48.6)
Total long-term lease obligations	379.4	410.4
Financing Leases
Present value of lease payments	204.4	24.5
Less: current lease obligations	(13.3)	(3.3)
Total long-term lease obligations	191.1	$ 21.2
Disposal Group, Held-for-sale, Not Discontinued Operations
Operating Leases
Present value of lease payments	18.1
Financing Leases
Present value of lease payments	11.4
Continuing Operations
Operating Leases
2022	76.1
2023	69.9
2024	51.9
2025	45.1
2026	38.2
Thereafter	311.2
Total lease payments	592.4
Less: imputed interest	(141.0)
Present value of lease payments	451.4
Financing Leases
2022	19.1
2023	19.0
2024	18.8
2025	18.2
2026	12.3
Thereafter	190.0
Total lease payments	277.4
Less: imputed interest	(61.6)
Present value of lease payments	$ 215.8