Investments (Tables)

6 Months Ended

Jul. 31, 2012

Schedule Of Marketable Securities

At July 31, 2012, marketable securities consisted of the following (in thousands):

Investments classified as Marketable Securities	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Corporate notes and obligations	$	525,251	$	4,764	$	(472	)	$	529,543
U.S. treasury securities		32,623		32		0			32,655
Mortgage backed securities		15,740		390		(64	)		16,066
Government obligations		3,102		81		0			3,183
Municipal securities		2,864		1		(24	)		2,841
Collateralized mortgage obligations		133,628		1,914		(502	)		135,040
U.S. agency obligations		84,035		174		(2	)		84,207
Total marketable securities	$	797,243	$	7,356	$	(1,064	)	$	803,535

At January 31, 2012, marketable securities consisted of the following (in thousands):

Investments classified as Marketable Securities	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Corporate notes and obligations	$	502,894	$	3,485	$	(1,607	)	$	504,772
U.S. treasury securities		79,290		70		(2	)		79,358
Mortgage backed securities		15,206		375		(155	)		15,426
Government obligations		3,132		78		0			3,210
Municipal securities		8,753		47		(11	)		8,789
Collateralized mortgage obligations		118,729		2,192		(426	)		120,495
U.S. agency obligations		107,515		331		(6	)		107,840
Total marketable securities	$	835,519	$	6,578	$	(2,207	)	$	839,890

Schedule Of Short-Term And Long-Term Marketable Securities

The duration of the investments classified as marketable securities is as follows (in thousands):

	July 31, 2012		January 31, 2012
Recorded as follows:
Short-term (due in one year or less)	$	106,933	$	170,582
Long-term (due between one and 3 years)		696,602		669,308
	$	803,535	$	839,890

Schedule Of Marketable Securities In An Unrealized Loss Position

As of July 31, 2012, the following marketable securities were in an unrealized loss position (in thousands):

	Less than 12 Months					12 Months or Greater					Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Corporate notes and obligations	$	53,393	$	(283	)	$	13,374	$	(189	)	$	66,767	$	(472	)
Mortgage backed securities		1,632		(38	)		422		(26	)		2,054		(64	)
Municipal securities		0		0			1,675		(24	)		1,675		(24	)
Collateralized mortgage obligations		31,409		(184	)		17,096		(318	)		48,505		(502	)
U.S. agency obligations		4,034		(2	)		0		0			4,034		(2	)
	$	90,468	$	(507	)	$	32,567	$	(557	)	$	123,035	$	(1,064	)

Schedule Of Assets And Liabilities Measured At Fair Value On A Recurring Basis

The following table presents information about the Company’s assets and liabilities that are measured at fair value as of July 31, 2012 and indicates the fair value hierarchy of the valuation (in thousands):

Description	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balances as of July 31, 2012
Cash equivalents (1):
Time deposits	$	27,901	$	0	$	0	$	27,901
Money market mutual funds		693,059		0		0		693,059
Marketable securities:
Corporate notes and other obligations		0		529,543		0		529,543
U.S. treasury securities		32,655		0		0		32,655
Mortgage backed securities		0		16,066		0		16,066
Government obligations		3,183		0		0		3,183
Municipal securities		0		2,841		0		2,841
Collateralized mortgage obligations		0		135,040		0		135,040
U.S. agency obligations		0		84,207		0		84,207
Foreign currency derivative contracts (2)		0		1,817		0		1,817
Total Assets	$	756,798	$	769,514	$	0	$	1,526,312
Liabilities
Foreign currency derivative contracts (3)	$	0	$	2,236	$	0	$	2,236
Total Liabilities	$	0	$	2,236	$	0	$	2,236

(1) Included in “cash and cash equivalents” in the accompanying Condensed Consolidated Balance Sheet as of July 31, 2012, in addition to $279.8 million of cash.

(2) Included in “prepaid expenses and other current assets” in the accompanying Condensed Consolidated Balance Sheet as of July 31, 2012.

(3) Included in “accrued expenses and other liabilities” in the accompanying Condensed Consolidated Balance Sheet as of July 31, 2012.

The following table presents information about the Company’s assets and liabilities that are measured at fair value as of January 31, 2012 and indicates the fair value hierarchy of the valuation (in thousands):

Description	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balances as of January 31, 2012
Cash equivalents (1):
Time deposits	$	26,513	$	0	$	0	$	26,513
Money market mutual funds		358,369		0		0		358,369
Marketable securities:
Corporate notes and obligations		0		504,772		0		504,772
U.S. treasury securities		79,358		0		0		79,358
Mortgage backed securities		0		15,426		0		15,426
Government obligations		3,210		0		0		3,210
Municipal securities		0		8,789		0		8,789
Collateralized mortgage obligations		0		120,495		0		120,495
U.S. agency obligations		0		107,840		0		107,840
Foreign currency derivative contracts (2)		0		621		0		621
Total Assets	$	467,450	$	757,943	$	0	$	1,225,393
Liabilities
Foreign currency derivative contracts (3)	$	0	$	2,551	$	0	$	2,551
Total Liabilities	$	0	$	2,551	$	0	$	2,551

(1) Included in “cash and cash equivalents” in the accompanying Condensed Consolidated Balance Sheet as of January 31, 2012, in addition to $222.4 million of cash.

(2) Included in “prepaid expenses and other current assets” in the accompanying Condensed Consolidated Balance Sheet as of January 31, 2012.

(3) Included in “accrued expenses and other liabilities” in the accompanying Condensed Consolidated Balance Sheet as of January 31, 2012.

Schedule Of Outstanding Foreign Currency Derivative Contracts Related Primarily To Intercompany Receivables And Payables

Details on outstanding foreign currency derivative contracts related primarily to intercompany receivables and payables are presented below (in thousands):

	July 31, 2012			January 31, 2012
Notional amount of foreign currency derivative contracts	$	417,890		$	186,336
Fair value of foreign currency derivative contracts	$	(419	)	$	(1,930	)

Fair Value Of Outstanding Derivative Instruments

The fair value of the Company’s outstanding derivative instruments are summarized below (in thousands):

		Fair Value of Derivative Instruments
	Balance Sheet Location	July 31, 2012		January 31, 2012
Derivative Assets
Derivatives not designated as hedging instruments:
Foreign currency derivative contracts	Prepaid expenses and other current assets	$	1,817	$	621
Derivative Liabilities
Derivatives not designated as hedging instruments:
Foreign currency derivative contracts	Accrued expenses and other liabilities	$	2,236	$	2,551

Schedule Of The Effect Of The Derivative Instruments Not Designated As Hedging Instruments On The Condensed Consolidated Statements Of Operations

The effect of the derivative instruments not designated as hedging instruments on the condensed consolidated statements of operations for the three and six months ended July 31, 2012 and 2011, respectively are summarized below (in thousands):

Derivatives Not Designated as Hedging Instruments	Gains (Losses) on Derivative Instruments Recognized in Income
		Three Months Ended July 31,
	Location	2012		2011
Foreign currency derivative contracts	Other income (expense)	$	2,054	$	(3,356	)
Derivatives Not Designated as Hedging Instruments	Gains (Losses) on Derivative Instruments Recognized in Income
		Six Months Ended July 31,
	Location	2012		2011
Foreign currency derivative contracts	Other income (expense)	$	1,132	$	(10,132	)

Schedule Of Components Of Investment Income

The components of investment income are presented below (in thousands):

	Three Months Ended July 31,						Six Months Ended July 31,
	2012			2011			2012			2011
Interest income	$	4,915		$	5,255		$	9,664		$	11,518
Realized gains		3,463			502			3,554			3,773
Realized losses		(1,205	)		(645	)		(1,584	)		(2,124	)
Total investment income	$	7,173		$	5,112		$	11,634		$	13,167