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Long-Term Debt - Senior Secured Credit Facilities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jul. 29, 2019	Apr. 06, 2017
Debt Instrument [Line Items]
Payments of Debt Issuance Costs	$ 9.2	$ 11.0	$ 3.3
Repayments of Long-term Debt	1,017.6	607.2	544.4
Term Loan A Due 2024 [Member]
Debt Instrument [Line Items]
Secured Debt	301.8	323.0		$ 340.0
Term Loan B due 2024 [Member]
Debt Instrument [Line Items]
Secured Debt	850.0	1,088.8			$ 1,550.0
Multi-Currency Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity				$ 925.0
Multi-Currency Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity	893.2
Letters of Credit Outstanding, Amount	31.8
Secured Debt [Member] | Term Loan A Due 2024 [Member]
Debt Instrument [Line Items]
Repayments of Long-term Debt	21.2	15.0
Secured Debt [Member] | Term Loan B due 2024 [Member]
Debt Instrument [Line Items]
Repayments of Long-term Debt	238.8	100.0	59.8
Interest Paid, Including Capitalized Interest, Operating and Investing Activities			0.4
Write off of Deferred Debt Issuance Cost			$ 1.0
Secured Debt [Member] | Second Amendment to the Credit Amendments [Member]
Debt Instrument [Line Items]
Payments of Debt Issuance Costs		4.6
Secured Debt [Member] | Term Loan A & Term Loan B [Member]
Debt Instrument [Line Items]
Write off of Deferred Debt Issuance Cost	$ 2.5	$ 1.2
Unsecured Debt [Member] | 6.25% Notes due 2025 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.25%
Interest Paid, Including Capitalized Interest, Operating and Investing Activities	$ 19.4
Write off of Deferred Debt Issuance Cost	$ 9.6

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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