Retirement Plans (Schedule Of Accumulated Other Comprehensive Income Loss) (Details) (USD $) In Millions	12 Months Ended
	Sep. 30, 2011
Defined Benefit Plan Disclosure [Line Items]
Prior service cost	$ (0.2)
Net loss	(2.6)
Total	(2.8)
Defined Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Prior service cost	(0.2)
Net loss	(2.5)
Total	(2.7)
Post-Retirement Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Net loss	(0.1)
Total	$ (0.1)