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Retirement Plans (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended					3 Months Ended	12 Months Ended						12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2014 Minimum [Member]	Sep. 30, 2014 Maximum [Member]	Sep. 30, 2014 Pension Plan, Defined Benefit [Member]	Sep. 30, 2014 Pension Plan, Defined Benefit [Member]	Sep. 30, 2013 Pension Plan, Defined Benefit [Member]	Sep. 30, 2012 Pension Plan, Defined Benefit [Member]	Sep. 30, 2013 Other Plans [Member]	Sep. 30, 2012 Other Plans [Member]	Apr. 02, 2014 Other Plans [Member]	Sep. 30, 2014 Equity Securities [Member]	Sep. 30, 2013 Fixed Income Funds [Member]	Sep. 30, 2015 Scenario, Forecast [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of Obligations Related to U.S. Plan	98.00%
Pension Contributions															$ 1
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate						4.49%	4.49%	5.16%	4.21%		4.22%	5.00%
Defined Benefit Plan, Target Plan Asset Allocations	100.00%												40.00%	60.00%
Curtailment gain (loss)								0.2		7.4	2.4
Decrease in accumulated other comprehensive loss net of tax	(27.7)	61.5	(39.4)				0.3
Discount rate						5.16%		4.21%	5.66%		5.69%
Defined Benefit Plan Expected Return on Plan Assets Major Asset Classes Time Horizon				10	15
Defined Contribution Plan, Cost Recognized	$ 5.6	$ 5.1	$ 4.7
Percentage of Assets Related to U.S. Plan	97.00%

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Defined Benefit Plan, Expected Return on Plan Assets, Major Asset Classes, Time Horizon

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Percentage of total pension plan assets held by the Company's to U.S. pension plan.

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The interest rate used to adjust for the time value of money for the plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

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The interest rate used to adjust for the time value of money.

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The amount of net gain (loss) recognized in net periodic benefit cost as a result of an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services.

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Target allocation of investments of this type to total plan assets presented on a weighted average basis.

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The amount of the cost recognized during the period for defined contribution plans.

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Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.

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The amount of cash or cash equivalents contributed by the entity to fund its pension plans.

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