Leases - Schedule of Maturity Analysis of Lease Liabilities (Detail) $ in Millions	Mar. 31, 2020 USD ($)
Operating Leases
2020	$ 18.9	[1]
2021	23.5	[1]
2022	19.8	[1]
2023	16.5	[1]
2024	15.4	[1]
After 2024	51.1	[1]
Total lease payments	145.2	[1]
Less: Interest	(17.8)	[1],[2]
Present value of lease liabilities	127.4	[1],[3]
Finance Leases
2020	10.2
2021	9.1
2022	5.7
2023	3.3
2024	2.8
After 2024	0.5
Total lease payments	31.6
Less: Interest	(2.1)	[2]
Present value of lease liabilities	$ 29.5	[3]

[1] There were no operating leases with options to extend lease terms that are reasonably certain of being exercised and the operating lease payments exclude $0.3 million of legally binding minimum lease payments for leases signed but not yet commenced.

[2] Calculated using the discount rate for each lease.

[3] Includes the current portion of $21.2 million for operating leases and $11.9 million for finance leases.