Marketable Securities

6 Months Ended

Jun. 28, 2014

Cash, Cash Equivalents, and Short-term Investments [Abstract]

Cash, Cash Equivalents and Short-term Investments

2 Marketable Securities

The Company's marketable securities within cash equivalents and investments included in the consolidated balance sheets are detailed as follows (in thousands):

		June 28, 2014
		Amortized		Unrealized		Unrealized		Fair
		Cost		Gain		Loss		Value
U.S. Treasury securities		$	547,265	$	418	$	(15)	$	547,668
Foreign government securities			49,991		-		-		49,991
Corporate debt securities			872,275		500		(109)		872,666
Time deposits			67,367		-		-		67,367
Equity securities			77		70		-		147
	Total	$	1,536,975	$	988	$	(124)	$	1,537,839

Amounts included in:
	Cash equivalents	$	48,970	$	-	$	-	$	48,970
	Investments		1,488,005		988		(124)		1,488,869
	Total	$	1,536,975	$	988	$	(124)	$	1,537,839

		December 31, 2013
		Amortized		Unrealized		Unrealized		Fair
		Cost		Gain		Loss		Value
U.S. Treasury securities		$	556,438	$	111	$	(10)	$	556,539
Foreign government securities			139,670		-		-		139,670
Corporate debt securities			629,477		190		(233)		629,434
Time deposits			74,050		-		-		74,050
Equity securities			77		70		-		147
	Total	$	1,399,712	$	371	$	(243)	$	1,399,840

Amounts included in:
	Cash equivalents	$	36,966	$	-	$	-	$	36,966
	Investments		1,362,746		371		(243)		1,362,874
	Total	$	1,399,712	$	371	$	(243)	$	1,399,840

The estimated fair value of marketable debt securities by maturity date is as follows (in thousands):

		June 28, 2014		December 31, 2013
Due in one year or less		$	863,584	$	1,011,459
Due after one year through two years			606,741		314,184
	Total	$	1,470,325	$	1,325,643

In the three and six months ended June 29, 2013, the Company recorded a $1.6 million charge for an other-than-temporary impairment to an investment.