Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.1
Share-Based Compensation - Schedule of stock-based compensation costs (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Compensation Related Costs [Abstract]        
Share-based compensation costs $ 3.4 $ 3.9 $ 5.7 $ 5.8
Less impact of income tax benefit 0.8 0.9 1.3 1.3
Share-based compensation costs, net of tax $ 2.6 $ 3.0 $ 4.4 $ 4.5