Fair Value Measurements (Notes)

3 Months Ended

Mar. 31, 2012

Fair Value Disclosures [Abstract]

Fair Value Disclosures [Text Block]

Fair Value Measurements

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following tables provide a summary of assets and liabilities measured at fair value on a recurring basis and as reported in the condensed consolidated balance sheets (in millions):

	Fair Value Measurements at March 31, 2012 Using:
	Quoted Prices in Active Markets For Identical Assets		Significant Other Observable Remaining Inputs		Significant Other Unobservable Remaining Inputs
	(Level 1)		(Level 2)		(Level 3)		Total
Available-for-sale debt securities:
U.S. government securities	$	187.0	$	189.7	$	—	$	376.7
Government-sponsored enterprise obligations	252.2		24.0		—		276.2
Commercial paper	—		15.0		—		15.0
Corporate debt securities (1)	—		570.1		—		570.1
Certificate of deposit	—		25.6		—		25.6
Asset-backed securities	—		142.0		—		142.0
Mutual funds (2)	1.0		—		—		1.0
Money market funds (3)	1,308.8		—		—		1,308.8
Total available-for-sale debt securities	1,749.0		966.4		—		2,715.4
Available-for-sale equity securities:
Publicly-traded equity securities	3.9		—		—		3.9
Total available-for-sale securities	1,752.9		966.4		—		2,719.3
Trading securities:
Mutual funds (4)	11.9		—		—		11.9
Total trading securities	11.9		—		—		11.9
Derivative assets:
Foreign exchange contracts	—		2.4		—		2.4
Total derivative assets	—		2.4		—		2.4
Total assets measured at fair value	$	1,764.8	$	968.8	$	—	$	2,733.6
Liabilities measured at fair value:
Derivative liabilities:
Foreign exchange contracts	$	—	$	3.1	$	—	$	3.1
Total derivative liabilities	—		3.1		—		3.1
Total liabilities measured at fair value	$	—	$	3.1	$	—	$	3.1

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(1) Balance includes $1.7 million of restricted investments measured at fair market value, related to the Company's India Gratuity Trust.

(2) Balance relates to the restricted investments measured at fair market value of the Company's India Gratuity Trust.

(3) Balance includes $79.2 million of restricted investments measured at fair market value, related to the Company's D&O trust and acquisitions related escrows.

(4) Balance relates to investments measured at fair value related to the Company's non-qualified deferred compensation plan assets.

	Fair Value Measurements at March 31, 2012 Using:
	Quoted Prices in Active Markets For Identical Assets		Significant Other Observable Remaining Inputs		Significant Other Unobservable Remaining Inputs
	(Level 1)		(Level 2)		(Level 3)		Total
Reported as:
Cash equivalents	$	1,229.6	$	117.0	$	—	$	1,346.6
Short-term investments	185.5		331.9		—		517.4
Long-term investments	269.5		515.8		—		785.3
Restricted investments	80.2		1.7		—		81.9
Prepaid expenses and other current assets	—		2.4		—		2.4
Total assets measured at fair value	$	1,764.8	$	968.8	$	—	$	2,733.6
Total liabilities measured at fair value, reported as:
Other accrued liabilities	$	—	$	3.1	$	—	$	3.1
Total liabilities measured at fair value	$	—	$	3.1	$	—	$	3.1

	Fair Value Measurements at December 31, 2011 Using:
	Quoted Prices in Active Markets For Identical Assets		Significant Other Observable Remaining Inputs		Significant Other Unobservable Remaining Inputs
	(Level 1)		(Level 2)		(Level 3)		Total
Assets measured at fair value:
Available-for-sale debt securities:
U.S. government securities	$	149.3	$	151.7	$	—	$	301.0
Government-sponsored enterprise obligations	314.2		116.8		—		431.0
Commercial paper	—		10.0		—		10.0
Corporate debt securities (1)	—		510.3		—		510.3
Certificate of deposit	—		31.8		—		31.8
Asset-backed securities	—		124.7		—		124.7
Money market funds (2)	1,391.3		—		—		1,391.3
Total available-for-sale debt securities	1,854.8		945.3		—		2,800.1
Total available-for-sale securities	1,854.8		945.3		—		2,800.1
Trading securities:
Mutual funds (3)	10.3		—		—		10.3
Total trading securities	10.3		—		—		10.3
Derivative assets:
Foreign exchange contracts	—		0.4		—		0.4
Total derivative assets	—		0.4		—		0.4
Total assets measured at fair value	$	1,865.1	$	945.7	$	—	$	2,810.8
Liabilities measured at fair value:
Derivative liabilities:
Foreign exchange contracts	$	—	$	9.6	$	—	$	9.6
Total derivative liabilities	—		9.6		—		9.6
Total liabilities measured at fair value	$	—	$	9.6	$	—	$	9.6

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(1) Balance includes $1.6 million of restricted investments measured at fair market value, related to the Company's India Gratuity Trust.

(2) Balance includes $75.1 million of restricted investments measured at fair market value, related to the Company's D&O trust and acquisition related escrows.

(3) Balance includes $9.3 million of the Company's non-qualified deferred compensation plan assets and $1.0 million of restricted investments measured at fair market value, related to the Company's India Gratuity Trust.

	Fair Value Measurements at December 31, 2011 Using:
	Quoted Prices in Active Markets For Identical Assets		Significant Other Observable Remaining Inputs		Significant Other Unobservable Remaining Inputs
	(Level 1)		(Level 2)		(Level 3)		Total
Total assets measured at fair value, reported as:
Cash equivalents	$	1,316.2	$	34.5	$	—	$	1,350.7
Short-term investments	168.9		472.4		—		641.3
Long-term investments	303.9		436.8		—		740.7
Restricted investments	76.1		1.6		—		77.7
Prepaid expenses and other current assets	—		0.4		—		0.4
Total assets measured at fair value	$	1,865.1	$	945.7	$	—	$	2,810.8
Total liabilities measured at fair value, reported as:
Other accrued liabilities	$	—	$	9.6	$	—	$	9.6
Total liabilities measured at fair value	$	—	$	9.6	$	—	$	9.6

The Company's policy is to recognize asset or liability transfers among Level 1, Level 2, and Level 3 as of the actual date of the events or change in circumstances that caused the transfer. During the three months ended March 31, 2012, and 2011, the Company had no transfers between levels of the fair value hierarchy of its assets or liabilities measured at fair value.

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis

As of March 31, 2012, and December 31, 2011, the carrying value of privately-held equity investments measured at fair value on a nonrecurring basis was $6.0 million and $0.4 million, respectively. These privately-held equity investments, which are normally carried at cost, were measured at fair value due to events and circumstances that the Company identified during the quarter as significantly impacting the fair value of the investments. The Company measured the fair value of its privately-held equity investments using an analysis of the financial condition and near-term prospects of the investee, including recent financing activities, cash flow projections, and probability-weighted expected value based on the expected recoverability of the investments. As a result, the Company recognized an other-than-temporary non-cash impairment of $14.0 million in the three months ended March 31, 2012, and classified the investment as Level 3 assets due to the absence of quoted market prices and inherent lack of liquidity. The Company had no impairment charges against its privately-held equity investments in the three months ended March 31, 2011. The Company had no liabilities measured at fair value on a nonrecurring basis as of March 31, 2012 and December 31, 2011.

Assets and Liabilities Not Measured at Fair Value

The carrying amounts of the Company's accounts receivable, financing receivables, accounts payable, and other accrued liabilities approximate fair value due to their short maturities. The fair value of the Company’s long-term debt is disclosed in Note 10, Long-Term Debt and Financing, and was determined using quoted market prices (Level 1).