Fair Value (Tables)

3 Months Ended

Mar. 31, 2013

Fair Value [Abstract]

Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis

Financial assets and liabilities measured at fair value on a recurring basis at March 31, 2013 and December 31, 2012 were (in millions):

March 31, 2013	Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents	$	2,071.8					$	2,071.8
Short-term investments	18.5						18.5
Available-for-sale securities	4.3						4.3
Forward foreign exchange contracts			$	0.5			0.5
Liabilities:
Forward foreign exchange contracts			$	0.7			$	0.7
Contingent purchase price obligations					$	239.6	239.6

December 31, 2012	Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents	$	2,678.3					$	2,678.3
Short-term investments	20.6						20.6
Available-for-sale securities	3.9						3.9
Forward foreign exchange contracts			$	0.5			0.5
Liabilities:
Contingent purchase price obligations					$	266.2	266.2

Carrying Amounts and Fair Value of Financial Instruments

The carrying amount and fair value of our financial instruments at March 31, 2013 and December 31, 2012 were (in millions):

	2013				2012
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets:
Cash and cash equivalents	$	2,071.8	$	2,071.8	$	2,678.3	$	2,678.3
Short-term investments	18.5		18.5		20.6		20.6
Available-for-sale securities	4.3		4.3		3.9		3.9
Forward foreign exchange contracts	0.5		0.5		0.5		0.5
Cost method investments	22.6		22.6		23.1		23.1
Liabilities:
Short-term borrowings	$	11.6	$	11.6	$	6.4	$	6.4
Forward foreign exchange contracts	0.7		0.7		—		—
Contingent purchase price obligations	239.6		239.6		266.2		266.2
Debt	4,446.7		4,869.6		4,448.9		4,857.3