Derivative Instruments (Tables)

6 Months Ended

Jun. 30, 2011

Derivative Instruments [Abstract]

Foreign currency forward contracts that were entered into to hedge forecasted revenue

	Notional Amount
	As of		As of
	June 30,		December 31,
Foreign Currency (In millions)	2011		2010
Euro	$	537.1	$	460.3
Canadian dollar		11.4		24.0
Swedish krona		4.8		9.9
Total foreign currency forward contracts	$	553.3	$	494.2

Summary of Derivatives designated as Hedging Instruments

		Fair Value
		As of June 30,
(In millions)	Balance Sheet Location	2011
Foreign Currency Contracts
Asset derivatives	Other current assets	$	—
Liability derivatives	Accrued expenses and other	$	23.8

		Fair Value
		As of December 31,
(In millions)	Balance Sheet Location	2010
Foreign Currency Contracts
Asset derivatives	Other current assets	$	—
Liability derivatives	Accrued expenses and other	$	11.0

Summary of the effect of derivatives designated as hedging instruments on the consolidated statements of income

	Amount				Amount
	Recognized in				Reclassified from
	Accumulated				Accumulated
	Other				Other
	Comprehensive				Comprehensive
	Income (Loss)			Income	Income (Loss)			Income	Amount of
	on Derivative			Statement	into Income			Statement	Gain/(Loss)
	Gain/(Loss)			Location	Gain/(Loss)			Location	Recorded
(In millions)	(Effective Portion)			(Effective Portion)	(Effective Portion)			(Ineffective Portion)	(Ineffective Portion)
For the Three Months Ended
June 30, 2011:								Other income
Foreign currency contracts	$	(23.3	)	Revenue	$	(18.5	)	(expense)	$	(1.2	)
June 30, 2010:								Other income
Foreign currency contracts	$	62.1		Revenue	$	19.7		(expense)	$	(0.6	)
For the Six Months Ended
June 30, 2011:								Other income
Foreign currency contracts	$	(23.3	)	Revenue	$	(26.8	)	(expense)	$	(0.5	)
June 30, 2010:								Other income
Foreign currency contracts	$	62.1		Revenue	$	19.9		(expense)	$	(0.5	)