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Fair Value of Financial Instruments - Senior Notes - Narrative (Details) - USD ($) $ in Millions	Sep. 30, 2024	Jun. 10, 2024	Dec. 31, 2023
4.500% Senior Notes
Fair Value Disclosure of Liabilities Not Measured at Fair Value [Line Items]
Senior notes, gross carrying amount	$ 600.0		$ 600.0
4.500% Senior Notes \| Senior Notes
Fair Value Disclosure of Liabilities Not Measured at Fair Value [Line Items]
Debt instrument, interest rate (percentage)	4.50%
Senior notes, estimated fair value	$ 589.2		$ 565.2
5.900% Senior Notes
Fair Value Disclosure of Liabilities Not Measured at Fair Value [Line Items]
Senior notes, gross carrying amount	550.0
5.900% Senior Notes \| Senior Notes
Fair Value Disclosure of Liabilities Not Measured at Fair Value [Line Items]
Debt instrument, interest rate (percentage)		5.90%
Senior notes, estimated fair value	$ 574.2