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Amount of net unrealized gain (loss) related to the change in fair value of foreign currency exchange rate derivatives designated as cash flow hedging instruments. Recorded in accumulated other comprehensive income to the extent that the cash flow hedge is determined to be effective.

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No definition available.

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Fair value of derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

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Fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

+ References

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High end period remaining until maturity for the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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Low end period remaining until maturity of derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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The portion of a hedge deemed to be ineffective that is reflected in current period results of operations.

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Fair value as of the balance sheet date of all foreign currency derivatives not designated as hedging instruments.

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Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

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Maximum amount of time remaining before foreign currency exchange rate derivatives mature or expire, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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.

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Aggregate notional amount of all foreign currency derivatives not designated as hedging instruments. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.

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Derivative Instruments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Foreign currency forward contracts that were entered into to hedge forecasted revenue
Total foreign currency forward contracts	$ 603.1		$ 603.1		$ 532.3
Derivative Instruments (Textual) [Abstract]
Lower Range of Durations of foreign currency forward contracts			1 month		1 month
Higher Range of Durations of foreign currency forward contracts			15 months		12 months
Gain/Loss on fair value of Foreign currency forward contracts	5.9		5.9		36.5
Expected Settlement time for contracts, in months			15 months
Gains and losses in earnings of Foreign currency forward contracts due to hedge ineffectiveness	0.8	2.8	4.0	3.2
Gains/(Losses) in product revenue for the settlement of certain effective cash flow hedge instruments	12.0	10.8	31.0	37.6
Aggregate notional amount of outstanding foreign currency contracts	297.3		297.3
Fair Value of outstanding foreign currency contracts	4.3		4.3
Net gains (losses) of other income (expense) related to foreign currency forward contracts	5.7	6.1	5.6	1.8
Foreign Exchange Contract [Member] \| Other Current Assets [Member] \| Designated as Hedging Instrument [Member]
Summary of Derivatives designated as Hedging Instruments
Derivative Asset, Fair Value	6.4		6.4		32.6
Foreign Exchange Contract [Member] \| Accrued Liabilities [Member] \| Designated as Hedging Instrument [Member]
Summary of Derivatives designated as Hedging Instruments
Derivative Liability, Fair Value, Gross Liability	(0.5)		(0.5)
Euro [Member]
Foreign currency forward contracts that were entered into to hedge forecasted revenue
Total foreign currency forward contracts	593.6		593.6		496.4
Canadian Dollar [Member]
Foreign currency forward contracts that were entered into to hedge forecasted revenue
Total foreign currency forward contracts	6.3		6.3		22.9
Swedish krona [Member]
Foreign currency forward contracts that were entered into to hedge forecasted revenue
Total foreign currency forward contracts	$ 3.2		$ 3.2		$ 13.0