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Stock-Based Compensation - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2024
Dec. 31, 2023
Share-Based Payment Arrangement [Abstract]        
Stock-based compensation expense $ 21.8 $ 20.5 $ 36.6 $ 36.9
Related tax benefits 4.0 $ 4.2 6.4 $ 7.0
Unrecognized compensation cost related to non-vested stock options 11.6   11.6  
Unrecognized compensation cost related to restricted stock unit awards $ 91.8   $ 91.8  
Amortization period of unrecognized compensation cost for non-vested stock options     1 year 8 months 12 days  
Amortization period of unrecognized compensation cost for restricted stock awards     2 years 2 months 12 days