Fair Value Measurement of Assets and Liabilities (Tables)

9 Months Ended

Sep. 30, 2016

Fair Value Disclosures [Abstract]

Fair Value Measurement of Assets and Liabilities

The following assets and liabilities are recorded at fair value on a recurring basis (in millions):

	As of September 30, 2016
			Fair Value Measurements at Reporting Date Using:
Description	Recorded Balance		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Derivatives, current and long-term
Foreign currency forward contracts	$	11.1	$	—	$	11.1	$	—
Liabilities
Derivatives, current and long-term
Foreign currency forward contracts	$	43.4	$	—	$	43.4	$	—
Contingent payments related to acquisitions		63.9		—		—		63.9
	$	107.3	$	—	$	43.4	$	63.9

	As of December 31, 2015
	Recorded Balance		Fair Value Measurements at Reporting Date Using:
Description			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Available-for-sale securities
Corporate debt securities	$	245.4	$	—	$	245.4	$	—
U.S. government and agency debt securities		21.5		—		21.5		—
Commercial paper		4.2		—		4.2		—
Certificates of deposit		2.0		—		2.0		—
Total available-for-sale securities		273.1		—		273.1		—
Derivatives, current and long-term
Foreign currency forward contracts		96.9		—		96.9		—
Interest rate swaps		26.8		—		26.8		—
Total Assets	$	396.8	$	—	$	396.8	$	—
Liabilities
Derivatives, current and long-term
Foreign currency forward contracts	$	1.6	$	—	$	1.6	$	—