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Stock-Based Compensation and Other Employee Benefit Plans - Narrative (Details) - USD ($)
shares in Thousands, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Stock-Based Compensation and Other Employee Benefit Plans [Line Items]        
Stock-based compensation plans, number of shares available for future grant (in shares) 3,404   3,404  
Non-cash stock-based compensation expense $ 6.8 $ 6.1 $ 13.2 $ 11.6
Stock-based compensation, income tax benefits $ 1.2 $ 1.2 3.4 2.3
Stock-based compensation, vested awards, net income tax benefits     $ 0.9 $ 0.1