Quarterly report pursuant to Section 13 or 15(d)

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

v3.8.0.1
Share-Based Compensation - Schedule of stock-based compensation costs (Details) - USD ($)
$ in Millions
3 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Compensation Related Costs [Abstract]    
Share-based compensation costs $ 2.3 $ 2.6
Less impact of income tax benefit 0.6 1.0
Share-based compensation costs, net of tax $ 1.7 $ 1.6