Debt - Debt Outstanding and Average Interest Rates (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Jul. 31, 2022	Jun. 30, 2022	Mar. 24, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Debt, gross	$ 2,339.3
Unamortized issuance costs and discounts	(22.0)				$ (8.5)
Total debt	$ 2,317.3				894.1
Line of Credit | Revolving credit facility (Senior Credit Facility)
Debt Instrument [Line Items]
Average interest rate at end of period	6.053%
Debt, gross	$ 320.0				195.0
Term loans (Senior Credit Facility) | Term Loans, 1.224% due in 2023
Debt Instrument [Line Items]
Average interest rate at end of period	5.861%
Debt, gross	$ 200.0				200.0
Term loans (Senior Credit Facility) | 5-year Term Loan Facility
Debt Instrument [Line Items]
Average interest rate at end of period	5.463%
Debt, gross	$ 1,000.0		$ 1,000.0	$ 600.0	0.0
Senior Notes | Senior Notes 3.150% due 2022
Debt Instrument [Line Items]
Average interest rate at end of period	3.15%
Debt, gross	$ 0.0				88.3
Senior Notes | Senior Notes, 4.650% due in 2025
Debt Instrument [Line Items]
Average interest rate at end of period	4.65%
Debt, gross	$ 19.3				19.3
Senior Notes | Senior Notes, 4.500% due in 2029
Debt Instrument [Line Items]
Average interest rate at end of period	4.50%
Debt, gross	$ 400.0				400.0
Senior Notes | 5.900% Senior Notes
Debt Instrument [Line Items]
Average interest rate at end of period	5.90%	5.90%
Debt, gross	$ 400.0	$ 400.0			$ 0.0