FINANCIAL DERIVATIVES (Details) - Balance Sheet Location and Fair Value (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Sep. 30, 2013
Other Assets [Member]
Designated Hedges - Interest Rate Swaps
Gross derivatives	$ 64.9	$ 67.0
Net Derivatives	65.8	74.6
Other Liabilities [Member]
Designated Hedges - Interest Rate Swaps
Gross derivatives	68.7	72.2
Net Derivatives	68.7	72.2
Interest Rate Contract [Member] | Other Assets [Member]
Designated Hedges - Interest Rate Swaps
Other assets and deferred costs (noncurrent)	64.8	66.5
Long-term debt	0	0
Interest Rate Contract [Member] | Other Liabilities [Member]
Designated Hedges - Interest Rate Swaps
Other assets and deferred costs (noncurrent)	0	0
Long-term debt	67.1	71.1
Foreign Exchange Contract [Member] | Other Assets [Member]
Non-designated Hedges Foreign Currency Contracts
Other assets and deferred costs (current)	0.1	0.5
Other accrued liabilities	0	0
Foreign Exchange Contract [Member] | Other Liabilities [Member]
Non-designated Hedges Foreign Currency Contracts
Other assets and deferred costs (current)	0	0
Other accrued liabilities	1.6	1.1
InterestRateContractDueFromCounterparty [Member] | Other Assets [Member]
Designated Hedges - Interest Rate Swaps
Swap interest receivable offset	2.0	15.6
InterestRateContractDueFromCounterparty [Member] | Other Liabilities [Member]
Designated Hedges - Interest Rate Swaps
Swap interest receivable offset	0	0
InterestRateContractDueToCounterparty [Member] | Other Assets [Member]
Designated Hedges - Interest Rate Swaps
Swap interest receivable offset	(1.1)	(8.0)
InterestRateContractDueToCounterparty [Member] | Other Liabilities [Member]
Designated Hedges - Interest Rate Swaps
Swap interest receivable offset	$ 0	$ 0