Commitments and Contingencies - Changes in Accrued Environmental Remediation and Related Costs (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Environmental Remediation Obligations [Abstract]
Balance at the beginning of the period	$ 97.6	$ 98.6	$ 99.7
Additions charged to expense, net	1.7	1.6	0.7
Payments, net	(2.0)	(2.5)	(1.9)
Changes in currency exchange rates and other		(0.1)	0.1
Balance at the end of the period	97.3	97.6	98.6
Amounts recognized in the Consolidated Balance Sheet at the end of the period:
Current liabilities	3.8	3.5	3.4
Noncurrent liabilities	$ 93.5	$ 94.1	95.2
Environmental Loss Contingency, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Liabilities Noncurrent	Other Liabilities Noncurrent
Total	$ 97.3	$ 97.6	$ 98.6
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]	Accrued Liabilities, Current, Other Liabilities Noncurrent	Accrued Liabilities, Current, Other Liabilities Noncurrent	Accrued Liabilities, Current, Other Liabilities Noncurrent