Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

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

	Notional Amount As of December 31,
Foreign Currency: (In millions)	2015		2014
Euro	$	945.5	$	1,174.6
Swiss francs	80.8		—
Canadian dollar	76.7		56.7
British pound sterling	—		34.5
Australian dollar	—		19.9
Japanese yen	—		16.6
Total foreign currency forward contracts	$	1,103.0	$	1,302.3

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

For the Years Ended December 31,
Net Gains/(Losses) Reclassified from AOCI into Net Income (Effective Portion)								Net Gains/(Losses) Recognized into Net Income (Ineffective Portion)
Location	2015		2014		2013			Location	2015		2014			2013
Revenue	$	173.2	$	6.8	$	(13.2	)	Other income (expense)	$	4.9	$	(1.5	)	$	(0.2	)

Summary of the fair value for our outstanding derivatives

(In millions)	Balance Sheet Location	Fair Value As of December 31, 2015
Hedging Instruments:
Asset derivatives	Other current assets	$	16.6
	Investments and other assets	$	0.3
Liability derivatives	Accrued expenses and other	$	10.2
	Other long-term liabilities	$	2.5
Other Derivatives:
Asset derivatives	Other current assets	$	10.3
Liability derivatives	Accrued expenses and other	$	2.0

(In millions)	Balance Sheet Location	Fair Value As of December 31, 2014
Hedging Instruments:
Asset derivatives	Other current assets	$	69.5
	Investments and other assets	$	1.9
Other Derivatives:
Asset derivatives	Other current assets	$	1.3
Liability derivatives	Accrued expenses and other	$	5.4