Leases - Summary of Future Lease Payments (Detail) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Operating Leases
Present value of lease payments	$ (380.0)	$ (388.0)
Less: current lease obligations	(53.3)	(52.1)
Total long-term lease obligations	326.7	335.9
Financing Leases
Total finance lease liabilities	199.6	199.9
Less: current lease obligations	(20.1)	(17.8)
Total long-term lease obligations	179.5	$ 182.1
Discontinued Operations
Operating Leases
Present value of lease payments	(15.5)
Financing Leases
Total finance lease liabilities	0.8
Continuing Operations
Operating Leases
2024	69.1
2025	60.8
2026	52.2
2027	42.1
2028	36.4
Thereafter	254.3
Total lease payments	514.9
Less: imputed interest	(119.4)
Present value of lease payments	(395.5)
Less: current lease obligations	(53.3)
Total long-term lease obligations	326.7
Financing Leases
2024	25.0
2025	21.1
2026	13.9
2027	12.8
2028	12.0
Thereafter	171.5
Total lease payments	256.3
Less: imputed interest	(55.9)
Total finance lease liabilities	200.4
Less: current lease obligations	(20.1)
Total long-term lease obligations	$ 179.5