Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation - Schedule of stock-based compensation costs (Details)

v3.23.1
Share-Based Compensation - Schedule of stock-based compensation costs (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2023
Mar. 31, 2022
Compensation Related Costs [Abstract]        
Share-based compensation costs $ 4.5 $ 5.5 $ 9.1 $ 10.8
Less impact of income taxes 1.0 1.2 2.1 2.5
Share-based compensation costs, net of tax $ 3.5 $ 4.3 $ 7.0 $ 8.3