Retirement Plans (Net Periodic Benefit Cost) (Details) (Pension Plan, Defined Benefit [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Pension Plan, Defined Benefit [Member]
Defined Benefit Plan, Service Cost	$ 0.4	$ 0.5
Defined Benefit Plan, Interest Cost	5.0	1.6
Defined Benefit Plan, Expected Return on Plan Assets	(5.9)	(2.1)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	$ 0.9	$ 0.7