Stock-Based Compensation and Other Employee Benefit Plans - Narrative (Details) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Stock-Based Compensation and Other Employee Benefit Plans [Line Items]
Stock-based compensation plans, number of shares available for future grant (in shares)	2,739		2,739
Non-cash stock-based compensation expense	$ 8.6	$ 6.8	$ 17.1	$ 13.2
Stock-based compensation, income tax benefits	$ 1.5	$ 1.2	$ 11.8	3.4
Tax benefit (expense), share-based payment arrangement				$ 0.9