Investments and Fair Value Measurements

The Company’s total cash, cash equivalents and marketable securities was as follows (in thousands):



	April 1, 2012		January 1, 2012
Cash and cash equivalents	$	1,093,263	$	1,167,496
Short-term marketable securities	1,575,339		1,681,492
Long-term marketable securities	2,803,622		2,766,263
Total cash, cash equivalents and marketable securities	$	5,472,224	$	5,615,251

For certain of the Company’s financial instruments, including cash held in banks, accounts receivable and accounts payable, the carrying amounts approximate fair value due to their short maturities, and are therefore excluded from the fair value tables below.

Financial assets and liabilities measured and recorded at fair value on a recurring basis consisted of the following types of instruments (in thousands):



	April 1, 2012								January 1, 2012
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Money market funds	$	702,591	$	—	$	—	$	702,591	$	901,500	$	—	$	—	$	901,500
Fixed income securities	65,054		4,457,407		—		4,522,461		214,431		4,312,929		—		4,527,360
Derivative assets	—		13,226		—		13,226		—		21,093		—		21,093
Other	—		—		—		—		—		4,501		—		4,501
Total financial assets	$	767,645	$	4,470,633	$	—	$	5,238,278	$	1,115,931	$	4,338,523	$	—	$	5,454,454

Derivative liabilities	$	—	$	103,042	$	—	$	103,042	$	—	$	45,835	$	—	$	45,835
Total financial liabilities	$	—	$	103,042	$	—	$	103,042	$	—	$	45,835	$	—	$	45,835

Financial assets and liabilities measured and recorded at fair value on a recurring basis were presented on the Company’s Condensed Consolidated Balance Sheets as follows (in thousands):



	April 1, 2012								January 1, 2012
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Cash equivalents⁽¹⁾	$	702,591	$	143,500	$	—	$	846,091	$	926,994	$	54,111	$	—	$	981,105
Short-term marketable securities	61,584		1,513,755		—		1,575,339		155,538		1,525,954		—		1,681,492
Long-term marketable securities	3,470		2,800,152		—		2,803,622		33,399		2,732,864		—		2,766,263
Other current assets and other non-current assets	—		13,226		—		13,226		—		25,594		—		25,594
Total assets	$	767,645	$	4,470,633	$	—	$	5,238,278	$	1,115,931	$	4,338,523	$	—	$	5,454,454

Other current accrued liabilities	$	—	$	102,003	$	—	$	102,003	$	—	$	40,045	$	—	$	40,045
Non-current liabilities	—		1,039		—		1,039		—		5,790		—		5,790
Total liabilities	$	—	$	103,042	$	—	$	103,042	$	—	$	45,835	$	—	$	45,835


⁽¹⁾	Cash equivalents exclude cash of $247.2 million and $186.4 million included in Cash and cash equivalents on the Condensed Consolidated Balance Sheets as of April 1, 2012 and January 1, 2012, respectively.

During the three months ended April 1, 2012, the Company had no transfers of financial assets or liabilities between Level 1 and Level 2. As of April 1, 2012 and January 1, 2012, the Company had no financial assets or liabilities categorized as Level 3 and had not elected the fair value option for any financial assets and liabilities for which such an election would have been permitted.

Available-for-Sale Investments. Available-for-sale investments were as follows (in thousands):



	April 1, 2012									January 1, 2012
	Amortized Cost		Gross Unrealized Gain		Gross Unrealized Loss			Fair Value		Amortized Cost		Gross Unrealized Gain		Gross Unrealized Loss			Fair Value
Fixed income securities:
U.S. Treasury and government agency securities	$	73,238	$	25	$	(12	)	$	73,251	$	219,366	$	69	$	(4	)	$	219,431
U.S. government-sponsored agency securities	88,059		15		(27		)	88,047		97,087		10		(26		)	97,071
Corporate notes and bonds	803,645		2,576		(516		)	805,705		780,650		1,707		(3,889		)	778,468
Asset-backed securities	196,578		215		(46		)	196,747		180,828		61		(149		)	180,740
Mortgage-backed securities	2,346		2		(2		)	2,346		1,137		5		—			1,142
Municipal notes and bonds	3,333,333		24,587		(1,555		)	3,356,365		3,231,240		20,470		(1,202		)	3,250,508
Total available-for-sale investments	$	4,497,199	$	27,420	$	(2,158	)	$	4,522,461	$	4,510,308	$	22,322	$	(5,270	)	$	4,527,360

The fair value and gross unrealized losses on the available-for-sale securities that have been in an unrealized loss position, aggregated by type of investment instrument, and the length of time that individual securities have been in a continuous unrealized loss position as of April 1, 2012, are summarized in the following table (in thousands).



	Less than 12 months					Greater than 12 months
	Fair Value		Gross Unrealized Loss			Fair Value		Gross Unrealized Loss
U.S. Treasury and government agency securities	$	42,145	$	(12	)	$	—	$	—
U.S. government-sponsored agency securities	61,020		(27		)	—		—
Corporate notes and bonds	170,152		(516		)	—		—
Asset-backed securities	43,643		(46		)	—		—
Mortgage-backed securities	1,537		(2		)	—		—
Municipal notes and bonds	351,766		(1,524		)	17,073		(31		)
Total	$	670,263	$	(2,127	)	$	17,073	$	(31	)

The gross unrealized loss related to U.S. Treasury and government agency securities, corporate and municipal notes and bonds, asset-backed securities and mortgage-backed securities was primarily due to changes in interest rates. The gross unrealized loss on all available-for-sale fixed income securities at April 1, 2012 was considered temporary in nature. Factors considered in determining whether a loss is temporary include the length of time and extent to which fair value has been less than the cost basis, the financial condition and near-term prospects of the investee, and the Company’s intent and ability to hold an investment for a period of time sufficient to allow for any anticipated recovery in market value. For debt security investments, the Company considered additional factors including the Company’s intent to sell the investments or whether it is “more likely than not” the Company will be required to sell the investments before the recovery of its amortized cost.

The following table shows the gross realized gains and (losses) on sales of available-for-sale securities (in thousands).



	Three months ended
	April 1, 2012			April 3, 2011
Gross realized gains	$	1,075		$	3,025
Gross realized losses	(552		)	(130		)

Fixed income securities by contractual maturity as of April 1, 2012 are shown below (in thousands). Actual maturities may differ from contractual maturities because issuers of the securities may have the right to prepay obligations.



	Amortized Cost		Fair Value
Due in one year or less	$	1,715,635	$	1,718,840
Due after one year through five years	2,781,564		2,803,621
Total	$	4,497,199	$	4,522,461

For certain of the Company’s other financial instruments, including accounts receivable and accounts payable, the carrying amounts approximate fair value due to their short maturities. For those financial instruments where the carrying amounts differ from fair value, the following table represents the related carrying values and the fair values, which are based on quoted market prices (in thousands). These financial instruments were categorized as Level 1 as of both April 1, 2012 and January 1, 2012.



	April 1, 2012				January 1, 2012
	Carrying Value		Fair Value		Carrying Value		Fair Value
1% Sr. Convertible Notes due 2013	$	865,412	$	922,493	$	852,146	$	914,140
1.5% Sr. Convertible Notes due 2017	761,822		1,183,390		752,765		1,177,500
Total	$	1,627,234	$	2,105,883	$	1,604,911	$	2,091,640