Commitments and Contingent Liabilities (Details Textuals) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Commitments and Contingent Liabilities (Textuals) [Abstract]
Number of Superfund sites designated potentially responsible party at	13
Asset retirement obligations in other current liabilities	$ 2.3	$ 3.4
Asset retirement obligations in other liabilities	22.0	22.4
Rental expense	119.6	115.0	111.5
Minimum future rental commitments under operating leases	358.0
Commitments from third parties under sublease agreements	1.2
Commitments from third parties under sublease agreements, annual	0.3
Dodge mechanical and Reliance Electric motors indemnification [ Member]
Site Contingency [Line Items]
Total reasonably possible contingency costs	11.4
Accrued potential future payments in other current liabilities	0.3	1.6
Accrued potential future payments in other liabilities	9.2	8.8
Environmental Sites Other Than Reliance Electric [Member]
Site Contingency [Line Items]
Total reasonably possible contingency costs	117.0
Loss Contingency, Estimate of Possible Loss, Net of Related Receivables	102.3
Accrued environmental cost	52.2
Accrual For Environmental Loss Contingencies, Net of Related Receivables	45.9
Environmental Sites Other Than Reliance Electric [Member] | Discounted [Member]
Site Contingency [Line Items]
Accrued environmental cost	36.6
Reliance Electric [Member]
Site Contingency [Line Items]
Total reasonably possible contingency costs	30.6
Accrued environmental cost	30.4
Environmental receivables	$ 28.8