Marketable Securities (Tables)

3 Months Ended

Mar. 29, 2014

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

Schedule of 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):

		March 29, 2014
		Amortized		Unrealized		Unrealized		Fair
		Cost		Gain		Loss		Value
U.S. Treasury securities		$	629,857	$	184	$	(60)	$	629,981
Foreign government securities			34,990		-		-		34,990
Corporate debt securities			757,739		305		(229)		757,815
Time deposits			70,845		-		-		70,845
Equity securities			77		70		-		147
	Total	$	1,493,508	$	559	$	(289)	$	1,493,778

Amounts included in:
	Cash equivalents	$	35,965	$	-	$	-	$	35,965
	Investments		1,457,543		559		(289)		1,457,813
	Total	$	1,493,508	$	559	$	(289)	$	1,493,778

		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

Investments Classified by Contractual Maturity Date

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

		March 29, 2014		December 31, 2013
Due in one year or less		$	964,559	$	1,011,459
Due after one year through two years			458,227		314,184
	Total	$	1,422,786	$	1,325,643