Marketable Securities (Tables)

9 Months Ended

Oct. 03, 2015

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

Schedule of Cash, Cash Equivalents and Short-term Investments

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

		October 3, 2015
		Amortized		Unrealized		Unrealized		Fair
		Cost		Gain		Loss		Value
U.S. Treasury securities		$	627,630	$	1,465	$	(47)	$	629,048
Corporate debt securities			1,233,267		895		(390)		1,233,772
Time deposits			80,931		-		-		80,931
Equity securities			77		70		-		147
	Total	$	1,941,905	$	2,430	$	(437)	$	1,943,898

Amounts included in:
	Cash equivalents	$	92,682	$	-	$	-	$	92,682
	Investments		1,849,223		2,430		(437)		1,851,216
	Total	$	1,941,905	$	2,430	$	(437)	$	1,943,898

		December 31, 2014
		Amortized		Unrealized		Unrealized		Fair
		Cost		Gain		Loss		Value
U.S. Treasury securities		$	626,683	$	246	$	(157)	$	626,772
Foreign government securities			24,998		-		-		24,998
Corporate debt securities			984,668		125		(688)		984,105
Time deposits			64,240		-		-		64,240
Equity securities			77		70		-		147
	Total	$	1,700,666	$	441	$	(845)	$	1,700,262

Amounts included in:
	Cash equivalents	$	67,051	$	-	$	-	$	67,051
	Investments		1,633,615		441		(845)		1,633,211
	Total	$	1,700,666	$	441	$	(845)	$	1,700,262

Investments Classified by Contractual Maturity Date

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

		October 3, 2015		December 31, 2014
Due in one year or less		$	1,063,640	$	872,872
Due after one year through three years			799,180		763,003
	Total	$	1,862,820	$	1,635,875