Supplemental Information (Other Noncurrent Assets) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Supplemental Information [Abstract]
Restricted cash	$ 0	$ 77.2
Derivative instruments	112.9	87.4
Other long-term receivables	47.8	43.7
Deferred tax assets	73.7	123.6
Other	159.2	146.3
Other noncurrent assets	$ 393.6	$ 478.2

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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Fair values as of the balance sheet date of all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments which are expected to exist longer than one year or beyond the normal operating cycle, if longer, net of the effects of master netting arrangements.

+ References

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