Commitments and Contingent Liabilities (Details Textuals) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Commitments and Contingent Liabilities (Textuals) [Abstract]
Number of Superfund sites designated potentially responsible party at	13
Asset retirement obligations in other current liabilities	$ 0.3	$ 2.3
Asset retirement obligations in other liabilities	21.9	22.0
Rental expense	121.6	119.6	115.0
Minimum future rental commitments under operating leases	339.8
Commitments from third parties under sublease agreements	0.8
Commitments from third parties under sublease agreements, annual	0.2
Dodge mechanical and Reliance Electric motors indemnification [ Member]
Site Contingency [Line Items]
Total reasonably possible contingency costs	9.2
Accrued potential future payments in other current liabilities	0.8	0.3
Accrued potential future payments in other liabilities	7.0	9.2
Environmental Sites Other Than Reliance Electric [Member]
Site Contingency [Line Items]
Total reasonably possible contingency costs	105.0
Loss Contingency, Estimate of Possible Loss, Net of Related Receivables	90.0
Accrued environmental cost	60.0
Accrual For Environmental Loss Contingencies, Net of Related Receivables	47.0
Environmental Sites Other Than Reliance Electric [Member] | Discounted [Member]
Site Contingency [Line Items]
Accrued environmental cost	40.6
Reliance Electric [Member]
Site Contingency [Line Items]
Total reasonably possible contingency costs	30.6
Accrued environmental cost	27.9
Environmental receivables	$ 26.7