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Summary of Significant Accounting Policies (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, 2013
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Sep. 30, 2012
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| Summary of Significant Accounting Policies | |||
| Revenue from long-term manufacturing contracts as a percentage of total revenue for the Company | 20.00% | 20.00% | |
| Derivative instruments and hedging activity | |||
| Aggregate notional amount of foreign currency exchange forward contracts | $ 87.7 | $ 87.7 | $ 46.0 |
| Foreign currency exchange forward contracts, liabilities at fair value | 2.2 | 2.2 | 0.4 |
| Foreign currency exchange forward contracts, assets at fair value | $ 0.7 | $ 0.7 | $ 0.4 |
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Maximum
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| Derivative instruments and hedging activity | |||
| Term of foreign currency exchange forward contracts | 24 months | ||
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Minimum
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| Derivative instruments and hedging activity | |||
| Term of foreign currency exchange forward contracts | 1 month |
| X | ||||||||||
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- Definition
Length of time over which the entity is hedging its exposure to the variability of currency exchange rates. No definition available.
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| X | ||||||||||
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- Definition
Revenue from long-term manufacturing contracts as a percentage of total revenue for the Company. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Fair value as of the balance sheet date of all foreign currency derivative assets designated as cash flow hedging instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Fair value as of the balance sheet date of all foreign currency derivative liabilities designated as cash flow hedging instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Aggregate notional amount of all foreign currency derivatives designated as hedging instruments in cash flow hedges. Notional amount refers to the number of currency units specified in the foreign currency derivative contract. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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