Cash, Cash Equivalents and Investments (Tables)

6 Months Ended

Jun. 29, 2013

Cash, Cash Equivalents and Investments [Abstract]

Summary of cash, cash equivalents and short-term investments

Cadence’s cash, cash equivalents and short-term investments at fair value as of June 29, 2013 and December 29, 2012 were as follows:

	As of
	June 29, 2013		December 29, 2012
	(In thousands)
Cash and cash equivalents	$	577,233	$	726,357
Short-term investments	101,251		100,704
Cash, cash equivalents and short-term investments	$	678,484	$	827,061

Summary of cash and cash equivalents

The following table summarizes Cadence’s cash and cash equivalents at fair value as of June 29, 2013 and December 29, 2012:

	As of
	June 29, 2013		December 29, 2012
	(In thousands)
Cash and interest bearing deposits	$	173,579	$	160,023
Money market funds	403,153		566,334
Corporate debt securities	501		—
Total cash and cash equivalents	$	577,233	$	726,357

Summary of short-term investments

The following tables summarize Cadence’s short-term investments as of June 29, 2013 and December 29, 2012:

	As of June 29, 2013
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(In thousands)
Corporate debt securities	$	34,228	$	25	$	(48	)	$	34,205
Bank certificates of deposit	26,200		16		(1		)	26,215
United States Treasury securities	25,846		22		(12		)	25,856
United States government agency securities	11,218		9		(4		)	11,223
Commercial paper	1,793		4		—			1,797
Marketable debt securities	99,285		76		(65		)	99,296
Marketable equity securities	1,817		138		—			1,955
Total short-term investments	$	101,102	$	214	$	(65	)	$	101,251

	As of December 29, 2012
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(In thousands)
Corporate debt securities	$	31,313	$	57	$	(11	)	$	31,359
Bank certificates of deposit	27,805		21		—			27,826
United States Treasury securities	23,213		26		—			23,239
United States government agency securities	10,245		13		—			10,258
Commercial paper	5,777		6		—			5,783
Marketable debt securities	98,353		123		(11		)	98,465
Marketable equity securities	1,817		422		—			2,239
Total short-term investments	$	100,170	$	545	$	(11	)	$	100,704

Contractual maturity of marketable debt investments

The amortized cost and estimated fair value of marketable debt securities included in short-term investments as of June 29, 2013, by contractual maturity, are shown in the table below. Actual maturities may differ from contractual maturities because issuers may have the right to call or prepay obligations without penalties.

	Amortized Cost		Fair Value
	(In thousands)
Due in less than one year	$	54,133	$	54,160
Due in one to three years	45,152		45,136
Total marketable debt securities included in short-term investments	$	99,285	$	99,296

Carrying value of non-marketable securities

Cadence’s non-marketable investments as of June 29, 2013 and December 29, 2012 were as follows:

	As of
	June 29, 2013		December 29, 2012
	(In thousands)
Cost method	$	3,038	$	3,038
Equity method	3,708		4,249
Total non-marketable investments	$	6,746	$	7,287

Net realized gains on the sale of non-marketable investments

Net realized gains on the sale of non-marketable investments during the three and six months ended June 29, 2013 and June 30, 2012 were as follows:

	Three Months Ended				Six Months Ended
	June 29, 2013		June 30, 2012		June 29, 2013		June 30, 2012
	(In thousands)				(In thousands)
Gains on sale of non-marketable investments	$	—	$	—	$	1,190	$	—