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Fixed interest rate related to the interest rate derivative.

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Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Derivatives and Hedging (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
Derivatives and Hedging (Details) - USD ($) $ in Millions	Apr. 30, 2020	Mar. 31, 2021	Dec. 31, 2020
Forward foreign exchange contracts \| Fair Value, Inputs, Level 2
Derivative
Estimated liability of contracts designated as hedging instruments, fair value		$ 0.6	$ 2.5
Interest Rate Swap Agreements
Derivative
Gain (loss) on derivatives		0.0
Interest Rate Swap Agreements \| Fair Value, Inputs, Level 2
Derivative
Estimated liability of contracts designated as hedging instruments, fair value			$ 4.3
Estimated asset of contracts designated as hedging instruments, fair value		$ 0.9
Interest Rate Swap Agreements \| Floating Rate Floor Plan Debt
Derivative
Derivative, term	5 years
Portion of floating rate floor plan debt fixed by swap agreements	$ 300.0
Interest rate swap, fixed (as a percent)	0.5875%