Other Income, Net - Schedule of Components of Other Income (Detail) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Interest income and other:
Interest and dividends		$ 10.9	$ 4.0	$ 4.8
Securities transactions, net		(0.5)		(0.1)
Total		10.4	4.0	4.7
Infrastructure reimbursement		16.0	15.3	19.7
Gain on land sales			16.0	4.5
Currency transactions, net		11.5	1.6	(4.0)
Insurance recoveries	$ 2.7	2.8	0.1	1.6
Other, net		3.0	2.0	1.9
Total		$ 43.7	$ 39.0	$ 28.4