Financial Instruments (Schedule of Gain/Loss Related to Derivative Instruments) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||||||||||||
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Mar. 31, 2013
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Mar. 31, 2012
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Mar. 31, 2013
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Mar. 31, 2012
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Cash Flow Hedges [Member]
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Derivative [Line Items] | ||||||||||||||
Net gain (loss) recognized in OCI (effective portion) | $ (2.5) | $ (1.1) | $ 13.5 | $ (10.4) | ||||||||||
Net (gain) loss reclassified from OCI to sales/cost of sales (effective portion) | 0 | 0.2 | 0.7 | 0.5 | ||||||||||
Net (gain) loss reclassified from OCI to other income, net (effective portion) | 6.8 | 1.8 | (8.3) | 10.3 | ||||||||||
Net (gain) loss reclassified from OCI to interest expense (effective portion) | (0.4) | 0 | (0.4) | 1.0 | ||||||||||
Net (gain) loss reclassified from OCI to other income, net (ineffective portion) | 0.2 | 0.1 | 0.3 | 0.2 | ||||||||||
Cash Flow Hedges [Member] | Forward Exchange Contracts [Member]
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Derivative [Line Items] | ||||||||||||||
Net gain (loss) recognized in OCI (effective portion) | (7.2) | (2.5) | 7.7 | (15.3) | ||||||||||
Net (gain) loss reclassified from OCI to sales/cost of sales (effective portion) | 0 | 0.2 | 0.7 | 0.5 | ||||||||||
Net (gain) loss reclassified from OCI to other income, net (effective portion) | 6.8 | 1.8 | (8.3) | 10.3 | ||||||||||
Net (gain) loss reclassified from OCI to interest expense (effective portion) | (0.6) | (0.3) | (1.0) | 0.4 | ||||||||||
Net (gain) loss reclassified from OCI to other income, net (ineffective portion) | 0.2 | 0.1 | 0.3 | 0.2 | ||||||||||
Cash Flow Hedges [Member] | Other Contracts [Member]
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Derivative [Line Items] | ||||||||||||||
Net gain (loss) recognized in OCI (effective portion) | 4.7 | [1] | 1.4 | [1] | 5.8 | [1] | 4.9 | [1] | ||||||
Net (gain) loss reclassified from OCI to sales/cost of sales (effective portion) | 0 | [1] | 0 | [1] | 0 | [1] | 0 | [1] | ||||||
Net (gain) loss reclassified from OCI to other income, net (effective portion) | 0 | [1] | 0 | [1] | 0 | [1] | 0 | [1] | ||||||
Net (gain) loss reclassified from OCI to interest expense (effective portion) | 0.2 | [1] | 0.3 | [1] | 0.6 | [1] | 0.6 | [1] | ||||||
Net (gain) loss reclassified from OCI to other income, net (ineffective portion) | 0 | [1] | 0 | [1] | 0 | [1] | 0 | [1] | ||||||
Fair Value Hedges [Member]
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Derivative [Line Items] | ||||||||||||||
Net gain (loss) recognized in net income (loss) | (3.3) | [2] | (4.0) | [2] | (7.0) | [2] | (4.9) | [2] | ||||||
Fair Value Hedges [Member] | Other Contracts [Member]
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Derivative [Line Items] | ||||||||||||||
Net gain (loss) recognized in net income (loss) | (3.3) | [1],[2] | (4.0) | [1],[2] | (7.0) | [1],[2] | (4.9) | [1],[2] | ||||||
Net Investment Hedges [Member]
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Derivative [Line Items] | ||||||||||||||
Net gain (loss) recognized in OCI | 29.2 | (51.1) | (2.6) | (4.5) | ||||||||||
Net Investment Hedges [Member] | Forward Exchange Contracts [Member]
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Derivative [Line Items] | ||||||||||||||
Net gain (loss) recognized in OCI | 13.5 | (16.1) | 0.2 | (7.0) | ||||||||||
Net Investment Hedges [Member] | Foreign Currency Debt [Member]
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Derivative [Line Items] | ||||||||||||||
Net gain (loss) recognized in OCI | 18.3 | (34.3) | (0.5) | 3.0 | ||||||||||
Net Investment Hedges [Member] | Other Contracts [Member]
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Derivative [Line Items] | ||||||||||||||
Net gain (loss) recognized in OCI | (2.6) | [1] | (0.7) | [1] | (2.3) | [1] | (0.5) | [1] | ||||||
Hedges Not Designated [Member]
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Derivative [Line Items] | ||||||||||||||
Net gain (loss) recognized in net income (loss) | (0.7) | [3] | 0.9 | [3] | (0.8) | [3] | (1.2) | [3] | ||||||
Hedges Not Designated [Member] | Forward Exchange Contracts [Member]
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Derivative [Line Items] | ||||||||||||||
Net gain (loss) recognized in net income (loss) | $ (0.7) | [3] | $ 0.9 | [3] | $ (0.8) | [3] | $ (1.2) | [3] | ||||||
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