FAIR VALUE (Tables)

9 Months Ended

Sep. 28, 2012

Financial Assets Measured at Fair Value on a Recurring Basis

The following table sets forth the fair value of the Company’s financial assets and liabilities measured at fair value on a recurring basis as of September 28, 2012 and December 31, 2011, based on the three-tier fair value hierarchy:

	Total		Level 1		Level 2		Level 3
	(In thousands)
September 28, 2012
Cash equivalents
Money market funds	$	61,481	$	61,481	$	—	$	—
Short-term investments
Certificate of deposit		1,601		—		1,601		—
State, municipal and local government agencies bonds		47,730		—		47,730		—
Corporate bonds		27,026		—		27,026		—
Commercial paper		10,388		—		10,388		—
U.S. federal government bonds		2,002		2,002		—		—
Prepaids and other current assets
Foreign exchange forward contracts		142		—		142		—
Total assets measured and recorded at fair value	$	150,370	$	63,483	$	86,887	$	—
Accrued liabilities
Foreign exchange forward contracts	$	496	$	—	$	496	$	—
Total liabilities measured and recorded at fair value	$	496	$	—	$	496	$	—
	Total		Level 1		Level 2		Level 3
	(In thousands)
December 31, 2011
Cash equivalents
Money market funds	$	62,131	$	62,131	$	—	$	—
Short-term investments
State, municipal and local government agencies bonds		38,825		—		38,825		—
Corporate bonds		18,604		—		18,604		—
Commercial paper		4,195		—		4,195		—
U.S. federal government bonds		9,230		9,230		—		—
Prepaids and other current assets
Foreign exchange forward contracts		373		—		373		—
Total assets measured and recorded at fair value	$	133,358	$	71,361	$	61,997	$	—
Accrued liabilities
Foreign exchange forward contracts	$	159	$	—	$	159	$	—
Total liabilities measured and recorded at fair value	$	159	$	—	$	159	$	—

Maturities of Short-Term Investments

At September 28, 2012 and December 31, 2011, maturities of short-term investments are as follows:

	September 28, 2012		December 31, 2011
	(In thousands)
Short-term investments:
Less than one year	$	69,995	$	43,470
Due in 1—2 years		18,752		27,384
Total short-term investments	$	88,747	$	70,854

Summary of Available-for-Sale Securities

The following is a summary of available-for-sale securities at September 28, 2012 and December 31, 2011:

	Amortized Cost		Gross  Unrealized Gains		Gross  Unrealized Losses			Estimated Fair Value
	(In thousands)
September 28, 2012
Certificate of deposit	$	1,601	$	—	$	—		$	1,601
State, municipal and local government agencies bonds		47,672		61		(3	)		47,730
Corporate bonds		27,020		11		(5	)		27,026
Commercial paper		10,387		1		—			10,388
U.S. federal government bonds		2,001		1		—			2,002
Total	$	88,681	$	74	$	(8	)	$	88,747
December 31, 2011
State, municipal and local government agencies bonds	$	38,785	$	46	$	(6	)	$	38,825
Corporate bonds		18,613		6		(15	)		18,604
Commercial paper		4,195		—		—			4,195
U.S. federal government bonds		9,226		4		—			9,230
Total	$	70,819	$	56	$	(21	)	$	70,854