Business Segment Information (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Percentage Of Sale Of Customer Maximum		10.00%	10.00%
Capitalized Computer Software, Period Increase (Decrease)	$ 8.6	$ 8.4	$ 5.3
Percentage Of Sale Of Customer Minimum	10.00%