Debt and Interest Expense - Summary of Total Long-term Debt (Detail) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Total Borrowings	$ 2,594.0	$ 1,934.0
Unamortized deferred financing costs and discounts	(30.5)	(23.9)
Total debt	2,563.5	1,910.1
Less: current maturities of long-term debt	20.0	10.0
Total long-term debt	2,543.5	1,900.1
Term Loan A Facility
Debt Instrument [Line Items]
Total Borrowings	390.0	400.0
Revolving Credit Facility
Debt Instrument [Line Items]
Total Borrowings	104.0	184.0
Fixed-Rate Senior Notes
Debt Instrument [Line Items]
Total Borrowings	2,100.0	1,350.0
Fixed-Rate Senior Notes | 5.625% Fixed Rate Senior Notes due 2026
Debt Instrument [Line Items]
Total Borrowings	800.0	800.0
Fixed-Rate Senior Notes | 5.125% Fixed Rate Senior Notes due 2028
Debt Instrument [Line Items]
Total Borrowings	550.0	$ 550.0
Fixed-Rate Senior Notes | 4.250% Fixed Rate Senior Notes due 2030
Debt Instrument [Line Items]
Total Borrowings	$ 750.0