Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

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

The notional value of foreign currency forward contracts that were entered into to hedge forecasted revenues and operating expenses is summarized as follows:

	Notional Amount As of December 31,
Foreign Currency: (In millions)	2018		2017
Euro	$	1,701.4	$	1,875.6
British pound sterling	215.3		150.9
Swiss francs	131.4		88.7
Japanese yen	98.8		—
Canadian dollar	92.2		83.5
Total foreign currency forward contracts	$	2,239.1	$	2,198.7

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

The following tables summarize the effect of foreign currency forward contracts designated as hedging instruments in our consolidated statements of income:

For the Year Ended December 31,
Net Gains/(Losses) Reclassified from AOCI into Operating Income(in millions)				Net Gains/(Losses) Recognized in Operating Income (in millions)
Location	2018			Location	2018
Revenues	$	(42.5	)	Revenues	$	10.8
Operating expenses	$	0.2		Operating expenses	$	(0.1	)

For the Years Ended December 31,
Net Gains/(Losses) Reclassified from AOCI into Operating Income (in millions)							Net Gains/(Losses) Recognized Directly into Net Income (in millions)
Location	2017			2016			Location	2017			2016
Revenues	$	(32.5	)	$	5.3		Other income (expense)	$	8.9		$	2.9
Operating expenses	$	0.6		$	(1.5	)	Other income (expense)	$	(0.2	)	$	0.1

Summary of the effect of derivatives designated as net investment hedging instruments on our consolidated statement of income

The following table summarizes the effect of our net investment hedge in our consolidated financial statements:

(In millions)	Location	For the Year Ended December 31, 2018
Net Gains/(Losses) Recognized in AOCI	Gains (Losses) on Net Investment Hedge	$	(3.8	)
Net Gains/(Losses) Reclassified from AOCI into Net Income	Other income (expense)	$	1.5

Summary of the fair value for our outstanding derivatives

The following table summarizes the fair value and presentation in our consolidated balance sheets of our outstanding derivative instruments, including those designated as hedging instruments:

(In millions)	Balance Sheet Location	Fair Value As of December 31, 2018
Hedging Instruments:
Asset derivative instruments	Other current assets	$	65.8
Liability derivative instruments	Accrued expenses and other	$	6.9
	Other long-term liabilities	$	14.5
Other Derivative Instruments:
Asset derivative instruments	Other current assets	$	1.1
Liability derivative instruments	Accrued expenses and other	$	3.2

(In millions)	Balance Sheet Location	Fair Value As of December 31, 2017
Hedging Instruments:
Asset derivative instruments	Other current assets	$	0.7
	Investments and other assets	$	0.2
Liability derivative instruments	Accrued expenses and other	$	84.7
	Other long-term liabilities	$	23.6
Other Derivative Instruments:
Asset derivative instruments	Other current assets	$	1.8
Liability derivative instruments	Accrued expenses and other	$	3.0