Debt - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Debt Instrument [Line Items]
Cash payments paid for interest			$ 42.4	$ 43.1
Amortization of financing costs	$ 0.4	$ 0.4	0.8	$ 0.8
Senior Notes | Fixed-Rate Senior Notes
Debt Instrument [Line Items]
Book value of fixed rate debt	2,491.8		2,491.8
Long-term debt (fixed-rate debt), fair value	$ 2,070.8		$ 2,070.8