Derivatives and Financial Instruments - Recorded Amounts and Estimated Fair Values of Long-term Debt and Derivative Financial Instruments (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Derivative [Line Items]
Total debt	$ 2,317.3	$ 894.1
Carrying (Reported) Amount, Fair Value Disclosure
Derivative [Line Items]
Variable rate debt	1,520.0	395.0
Fixed rate debt	819.3	507.6
Total debt	2,339.3	902.6
Estimate of Fair Value, Fair Value Disclosure
Derivative [Line Items]
Variable rate debt	1,520.0	395.0
Fixed rate debt	789.3	564.3
Total debt	$ 2,309.3	$ 959.3