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Financing Arrangements - Summary of Current and Non-current Debt (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Total debt	$ 13.2	$ 13.2
Less current portion of debt	13.2	13.2
Total non-current portion of debt	0.0	0.0
Credit Agreement
Debt Instrument [Line Items]
Total debt	0.0	0.0
Convertible Senior Notes due 2025
Debt Instrument [Line Items]
Total debt	$ 13.2	$ 13.2

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