RECEIVABLES (Details) - Allowances for Credit Losses (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Accounts Receivable:
Beginning balance	$ 80.0	$ 76.6	$ 78.5	$ 72.8
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provisions	8.4	4.0	9.9	7.8
Ending balance	88.4	80.6	88.4	80.6
Allowance for credit losses	88.4	80.6	88.4	80.6
Current [Member]
Accounts Receivable:
Ending balance	81.8	63.3	81.8	63.3
Allowance for credit losses	81.8	63.3	81.8	63.3
Non-Current [Member]
Accounts Receivable:
Ending balance	6.6	17.3	6.6	17.3
Allowance for credit losses	$ 6.6	$ 17.3	$ 6.6	$ 17.3