Financial Instruments and Hedging Activities (Tables)

9 Months Ended

Oct. 31, 2011

Cost and Fair Value of Financial Instruments Disclosure

The cost and fair value of Autodesk’s financial instruments are as follows:

	October 31, 2011				January 31, 2011
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Cash and cash equivalents	$	1,103.3	$	1,103.3	$	1,075.1	$	1,075.1
Marketable securities - short-term		239.3		240.3		197.5		199.2
Marketable securities - long-term		189.9		190.6		190.8		192.6
Convertible debt securities		12.4		12.4		—		—
Derivative financial instruments		10.9		9.4		3.9		3.9

Schedule of Available-for-sale Securities Reconciliation

Marketable securities and financial instruments classified as “available-for-sale securities” include the following securities at October 31, 2011 and January 31, 2011:

	October 31, 2011
	Amortized Cost		Gross unrealized gains		Gross unrealized losses			Estimated Fair Value
Short-term available-for-sale securities:
Commercial paper and corporate securities	$	126.9	$	0.1	$	—		$	127.0
U.S. treasury securities		15.4		—		—			15.4
Certificates of deposit and time deposits		4.8		—		—			4.8
U.S. government agency securities		50.1		—		—			50.1
Municipal securities		10.0		—		—			10.0
Other		0.3		—		—			0.3
	$	207.5	$	0.1	$	—		$	207.6
Long-term available-for-sale securities:
Corporate debt securities	$	131.1	$	1.0	$	(0.6	)	$	131.5
U.S. government agency securities		27.2		—		(0.1	)		27.1
Taxable auction-rate securities		4.2		—		—			4.2
Convertible debt securities		12.4		—		—			12.4
Municipal securities		3.0		0.1		—			3.1
U.S. treasury securities		24.4		0.3		—			24.7
	$	202.3	$	1.4	$	(0.7	)	$	203.0

	January 31, 2011
	Amortized Cost		Gross unrealized gains		Gross unrealized losses			Estimated Fair Value
Short-term available-for-sale securities:
Commercial paper and corporate securities	$	47.6	$	0.1	$	—		$	47.7
U.S. treasury securities		26.0		—		—			26.0
Certificates of deposit and time deposits		29.0		—		—			29.0
U.S. government agency securities		47.2		—		—			47.2
Sovereign debt		9.1		—		—			9.1
Municipal securities		8.6		—		—			8.6
Other		0.3		—		—			0.3
	$	167.8	$	0.1	$	—		$	167.9
Long-term available-for-sale securities:
Corporate debt securities	$	152.6	$	1.5	$	(0.1	)	$	154.0
U.S. government agency securities		12.7		0.2		—			12.9
Taxable auction-rate securities		4.2		—		—			4.2
Municipal securities		4.7		—		—			4.7
U.S. treasury securities		12.7		0.1		—			12.8
Sovereign debt		3.9		0.1		—			4.0
	$	190.8	$	1.9	$	(0.1	)	$	192.6

Marketable Securities

The following table summarizes the estimated fair value of our “available-for-sale securities” classified by the contractual maturity date of the security:

	October 31, 2011
	Cost		Fair Value
Due in less than 1 year	$	207.5	$	207.6
Due in 1 year through 5 years		198.1		198.8
Due in 5 years through 10 years		—		—
Due after 10 years		4.2		4.2
Total	$	409.8	$	410.6

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

The fair value of derivative instruments in Autodesk’s Condensed Consolidated Balance Sheets was as follows as of October 31, 2011 and January 31, 2011:

		Fair Value at
	Balance Sheet Location	October 31, 2011		January 31, 2011
Derivative Assets
Foreign currency contracts designated as cash flow hedges	Prepaid expenses and other current assets	$	7.4	$	5.1
Derivatives not designated as hedging instruments	Other assets		5.1		—
Total derivative assets		$	12.5	$	5.1
Derivative Liabilities
Foreign currency contracts designated as cash flow hedges	Other accrued liabilities	$	3.1	$	1.2
Derivatives not designated as hedging instruments			—		—
Total derivative liabilities		$	3.1	$	1.2

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance

The effects of derivatives designated as hedging instruments on Autodesk’s Condensed Consolidated Statements of Operations were as follows for the three and nine months ended October 31, 2011 and 2010, respectively (amounts presented include any income tax effects):

	Foreign Currency Contracts
	Three Months Ended October 31,						Nine Months Ended October 31,
	2011			2010			2011			2010
Amount of Gain (Loss) Recognized in Accumulated OCI on Derivatives (Effective Portion)	$	(1.0	)	$	(10.2	)	$	(3.6	)	$	2.7
Amount and Location of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)
Net revenue	$	0.8		$	2.2		$	(6.8	)	$	11.7
Operating expenses		1.5			0.5			5.9			1.0
Total	$	2.3		$	2.7		$	(0.9	)	$	12.7
Amount and Location of Gain (Loss) Recognized in Income on Derivatives (Ineffective Portion and Amount Excluded from Effectiveness Testing)
Interest and other income (expense), net	$	0.1		$	(0.1	)	$	0.1		$	0.1

The effects of derivatives not designated as hedging instruments on Autodesk’s Condensed Consolidated Statements of Operations were as follows for the three and nine months ended October 31, 2011 and 2010, respectively (amounts presented include any income tax effects):

	Foreign Currency Contracts
	Three Months Ended October 31,					Nine Months Ended October 31,
Amount and Location of Gain (Loss) Recognized in Income on Derivative	2011			2010		2011			2010
Interest and other income (expense), net	$	(2.6	)	$	1.0	$	(0.6	)	$	0.4