Fair Value Measurement of Assets and Liabilities (Tables)

9 Months Ended

Sep. 30, 2014

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


	As of September 30, 2014
			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
Available-for-sale securities
Corporate debt securities	$	454.2	$	—	$	454.2	$	—
U.S. government and agency debt securities		258.3		—		258.3		—
Foreign government debt securities		8.1		—		8.1		—
Commercial paper		203.5		—		203.5		—
Certificates of deposit		109.4		—		109.4		—

Total available-for-sale securities		1,033.5		—		1,033.5		—
Derivatives, current and long-term
Foreign currency forward contracts and options		70.9		—		70.9		—
Interest rate swaps		16.3		—		16.3		—

	$	1,120.7	$	—	$	1,120.7	$	—

Liabilities
Derivatives, current and long-term
Foreign currency forward contracts and options	$	3.5	$	—	$	3.5	$	—


	As of December 31, 2013
			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
Available-for-sale securities
Corporate debt securities	$	457.9	$	—	$	457.9	$	—
U.S. government and agency debt securities		211.2		—		211.2		—
Foreign government debt securities		3.1		—		3.1		—
Commercial paper		68.3		—		68.3		—
Certificates of deposit		67.2		—		67.2		—

Total available-for-sale securities		807.7		—		807.7		—
Derivatives, current and long-term
Foreign currency forward contracts and options		68.7		—		68.7		—
Interest rate swaps		16.3		—		16.3		—

	$	892.7	$	—	$	892.7	$	—

Liabilities
Derivatives, current and long-term
Foreign currency forward contracts and options	$	20.6	$	—	$	20.6	$	—
Interest rate swaps		7.0		—		7.0		—

	$	27.6	$	—	$	27.6	$	—