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Debt and Credit Arrangements - Interest Expense and Financing Cost Amortization (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Debt Instrument
Financing costs amortization	$ 0.7	$ 1.2
Revolving Credit Facility
Debt Instrument
Interest expense, debt	3.3	1.3
Financing costs amortization	0.5	1.0
Revolving Credit Facility | Senior secured revolving credit facility due October 2026
Debt Instrument
Interest expense, debt	3.3	0.0
Financing costs amortization	0.5	0.0
Revolving Credit Facility | Term long due June 2024
Debt Instrument
Interest expense, debt	0.0	0.6
Financing costs amortization	0.0	1.0
Revolving Credit Facility | Interest expense, senior secured revolving credit facilities due 2024
Debt Instrument
Interest expense, debt	$ 0.0	$ 0.7

X

- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

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- Definition

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+ References

No definition available.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

+ References

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