Long-Term Debt - Long-term Debt Components (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Total long-term debt principal	$ 2,699.0	$ 2,414.9
Less: current portion of long-term debt	(33.6)	(32.5)
Long-term debt before debt issuance costs and discount	2,665.4	2,382.4
Less: debt issuance costs and discount	(16.8)	(19.8)
Long-term debt, net of current portion	2,648.6	2,362.6
Other Debt
Debt Instrument [Line Items]
Total long-term debt principal	5.0	8.9
Term Loan \| Term A Loan
Debt Instrument [Line Items]
Total long-term debt principal	1,128.4	1,150.0
Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Total long-term debt principal	565.6	256.0
Senior Notes
Debt Instrument [Line Items]
Total long-term debt principal	$ 1,000.0	$ 1,000.0

Long-term Debt, Gross, Current Maturities.

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Long-term Debt, Gross, Excluding Current Maturities.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of unamortized debt discount (premium) and debt issuance costs.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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