Income Taxes (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Income Taxes [Abstract]
Deferred Tax Assets, Net of Valuation Allowance, Operating Loss Carryforwards, State and Local	$ 4.5
Valuation Allowance, Deferred Tax Asset, Change in Amount	1.8
Income (Loss) from Continuing Operations before Income Taxes, Domestic	(22.2)	(21.2)	22.7
Deferred Tax Liability Not Recognized, Cumulative Amount of Temporary Difference	4.3
Deferred Tax Liabilities, Unrealized Gains on Trading Securities	1.3	3.1
Undistributed Earnings of Foreign Subsidiaries	123.1	93.8
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	0.1
Income Tax Expense (Benefit), Continuing Operations	3.3	3.1	20.9
Discontinued Operation, Tax Effect of Discontinued Operation	0	0	0.1
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax	(1.6)	2.2	(0.3)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized (Gain) Loss Arising During Period, Tax	1.8	(1.0)	(1.7)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	0	0	0.6
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation	0	(0.2)	0
Other Comprehensive Income (Loss), Tax	3.5	4.1	19.6
Operating Loss Carryforwards	11.8	2.8
Deferred Tax Assets, Valuation Allowance	(2.3)	(4.1)
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	0	0.2
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	$ (0.2)	$ 0.3	$ 0.2