Long-Term Debt - Australia Credit Agreement (Details) $ in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2023 AUD ($)	Nov. 30, 2023 AUD ($)	Oct. 31, 2023 AUD ($)	Dec. 31, 2022 USD ($)
Debt Instrument
Long-term debt	$ 1,629.2				$ 1,622.1
Australia credit agreement
Debt Instrument
Maximum credit available			$ 100.0	$ 75.0
Call period	6 months
Line of credit basis spread on variable rate (as a percent)	2.29%
Long-term debt	$ 62.7	$ 92.0			$ 21.6
Australia credit agreement | Australian BBSW 30-Day Bill Rate
Debt Instrument
Base rate of interest on loans	30-day Bill Rate