XML 50 R61.htm IDEA: XBRL DOCUMENT v2.4.0.8
STOCK-BASED COMPENSATION - Compensation Costs Recognized (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Total equity compensation cost $ 5.8 $ 4.5 $ 2.7
Compensation cost capitalized (1.8) (1.4) (0.8)
Compensation cost recognized in net income 4.0 3.1 1.9
Income tax benefit recognized in net income (1.5) (1.2) (0.7)
Compensation cost recognized in net income, net of income tax $ 2.5 $ 1.9 $ 1.2