Debt - Senior Notes (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
4.500% Senior Notes
Debt Instrument [Line Items]
Senior notes, gross carrying amount	$ 600.0	$ 600.0
4.500% Senior Notes | Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate (percentage)	4.50%
Senior notes, estimated fair value	$ 585.5	581.9
5.900% Senior Notes
Debt Instrument [Line Items]
Senior notes, gross carrying amount	$ 550.0	550.0
5.900% Senior Notes | Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate (percentage)	5.90%
Senior notes, estimated fair value	$ 563.9	558.8
6.625% Senior Notes
Debt Instrument [Line Items]
Senior notes, gross carrying amount	$ 71.8	$ 71.6
6.625% Senior Notes | Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate (percentage)	6.625%