Marketable Securities (Tables)

9 Months Ended

Oct. 01, 2016

Schedule of Available-for-Sale Securities Reconciliation

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

		October 1, 2016
		Amortized		Unrealized		Unrealized		Fair
		Cost		Gain		Loss		Value
U.S. Treasury securities		$	555,493	$	719	$	(64)	$	556,148
Foreign government securities			17,999		3		-		18,002
Corporate debt securities			1,572,028		1,353		(533)		1,572,848
Time deposits			221,034		-		-		221,034
Equity securities			77		70		-		147
	Total	$	2,366,631	$	2,145	$	(597)	$	2,368,179

Amounts included in:
	Cash equivalents	$	85,373	$	-	$	-	$	85,373
	Investments		2,281,258		2,145		(597)		2,282,806
	Total	$	2,366,631	$	2,145	$	(597)	$	2,368,179

		December 31, 2015
		Amortized		Unrealized		Unrealized		Fair
		Cost		Gain		Loss		Value
U.S. Treasury securities		$	628,358	$	16	$	(1,218)	$	627,156
Foreign government securities			15,216		-		(17)		15,199
Corporate debt securities			1,325,398		159		(1,239)		1,324,318
Time deposits			74,947		-		-		74,947
Equity securities			77		70		-		147
	Total	$	2,043,996	$	245	$	(2,474)	$	2,041,767

Amounts included in:
	Cash equivalents	$	130,169	$	-	$	-	$	130,169
	Investments		1,913,827		245		(2,474)		1,911,598
	Total	$	2,043,996	$	245	$	(2,474)	$	2,041,767

Investments Classified By Contractual Maturity Date

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

		October 1, 2016		December 31, 2015
Due in one year or less		$	1,284,900	$	1,137,825
Due after one year through three years			862,098		828,848
	Total	$	2,146,998	$	1,966,673