Fair Value Measurement of Assets and Liabilities (Tables)

3 Months Ended

Mar. 31, 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 March 31, 2016
	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	$	49.9	$	—	$	49.9	$	—
Total available-for-sale securities		49.9		—		49.9		—
Derivatives, current and long-term
Foreign currency forward contracts and options		32.9		—		32.9		—
Interest rate swaps		37.6		—		37.6		—
	$	120.4	$	—	$	120.4	$	—
Liabilities
Derivatives, current and long-term	$	21.5	$	—	$	21.5	$	—
Foreign currency forward contracts and options	$	21.5	$	—	$	21.5	$	—

	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 and options		96.9		—		96.9		—
Interest rate swaps		26.8		—		26.8		—
	$	396.8	$	—	$	396.8	$	—
Liabilities
Derivatives, current and long-term
Foreign currency forward contracts and options	$	1.6	$	—	$	1.6	$	—
	$	1.6	$	—	$	1.6	$	—