Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.1.9
Share-Based Compensation - Schedule of stock-based compensation costs (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Compensation Related Costs [Abstract]    
Share-based compensation costs $ 2.2us-gaap_AllocatedShareBasedCompensationExpense $ 1.7us-gaap_AllocatedShareBasedCompensationExpense
Less impact of income tax benefit 0.8us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense 0.6us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
Share-based compensation costs, net of tax $ 1.4us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax $ 1.1us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax