Commitments and Contingent Liabilities (Details Textuals) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2011 Year Sites	Sep. 30, 2010	Sep. 30, 2009
Commitments and Contingent Liabilities (Textuals) [Abstract]
Number of Superfund sites designated potentially responsible party at	14
Environmental receivables	$ 30.0
Asset retirement obligations in other current liabilities	4.7	7.9
Asset retirement obligations in other liabilities	23.9	22.7
Rental expense	111.5	106.0	114.7
Minimum future rental commitments under operating leases	356.1
Commitments from third parties under sublease agreements	1.8
Commitments from third parties under sublease agreements, annual	0.3
Superfund Sites [Member]
Site Contingency [Line Items]
Total reasonably possible contingency costs	11.2
Accrued environmental cost	3.4
Environmental sites other than Superfund or Federal Pacific Electric [Member]
Site Contingency [Line Items]
Total reasonably possible contingency costs	85.3
Accrued environmental cost	38.9
Federal Pacific Electric [Member]
Site Contingency [Line Items]
Total reasonably possible contingency costs	36.7
Accrued environmental cost	31.3
Dodge mechanical and Reliance Electric motors indemnification [ Member]
Site Contingency [Line Items]
Total reasonably possible contingency costs	16.2
Accrued potential future payments in other current liabilities	1.6	6.4
Accrued potential future payments in other liabilities	$ 10.1	$ 11.1