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Disclosures About Derivative Instruments and Hedging Activities - Effects of Derivative Instruments on the Condensed Consolidated Statements of Income and Changes in AOCI and Noncontrolling Interest (Detail) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended
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Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Derivatives Not Designated as Hedging Instruments |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Gain (Loss) Recognized in Income | $ (4.9) | $ (6.7) | $ (14.2) | $ 7.0
Cash Flow Hedges |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Gain (loss) recognized in AOCI and noncontrolling interests | (1.2) | (3.4) | 52.7 | 0
Gain (loss) reclassified from AOCI and noncontrolling interest into income | 0.1 | (11.8) | 50.6 | (62.1)
Commodity Contracts | Derivatives Not Designated as Hedging Instruments | Cost of Sales |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Gain (Loss) Recognized in Income | (4.9) | (5.7) | (14.3) | 8.1
Commodity Contracts | Derivatives Not Designated as Hedging Instruments | Operating Expenses / Other Income |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Gain (Loss) Recognized in Income | 0 | (0.1) | 0.1 | 0
Commodity Contracts | Cash Flow Hedges | Cost of Sales |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Gain (loss) recognized in AOCI and noncontrolling interests | (1.7) | (17.1) | 59.5 | (21.6)
Gain (loss) reclassified from AOCI and noncontrolling interest into income | 4.3 | (8.2) | 66.5 | (51.4)
Foreign Currency Contracts | Derivatives Not Designated as Hedging Instruments | Other Income |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Gain (Loss) Recognized in Income | 0 | (0.9) | 0 | (1.1)
Foreign Currency Contracts | Cash Flow Hedges | Cost of Sales |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Gain (loss) recognized in AOCI and noncontrolling interests | 1.1 | (0.3) | (1.6) | (1.4)
Gain (loss) reclassified from AOCI and noncontrolling interest into income | (0.2) | 0 | (3.7) | (0.1)
Cross Currency Interest Rate Contract | Cash Flow Hedges | Interest Expense |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Gain (loss) recognized in AOCI and noncontrolling interests | 0 | 0 | (1.1) | 0
Gain (loss) reclassified from AOCI and noncontrolling interest into income | (0.1) | 0 | (0.2) |
Interest Rate Contracts | Cash Flow Hedges | Interest Expense / Other Income |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Gain (loss) recognized in AOCI and noncontrolling interests | (0.6) | 14.0 | (4.1) | 23.0
Gain (loss) reclassified from AOCI and noncontrolling interest into income | $ (3.9) | $ (3.6) | $ (12.0) | $ (10.6)

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- Definition Derivative instruments gain loss reclassified from other comprehensive income and noncontrolling interest into income effective portion. + References No definition available. + Details
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- Definition Derivative instruments gain loss recognized in other comprehensive income and noncontrolling interests effective portion. + References No definition available. + Details
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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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