Marketable Securities (Tables)

6 Months Ended

Jun. 29, 2019

Investments, Debt and Equity Securities [Abstract]

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):


	June 29, 2019
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gain		Loss			Value
U.S. Treasury securities	$	66,221	$	4	$	—		$	66,225
Corporate debt securities		94,331		37		(33	)		94,335
Time deposits		57,964		—		—			57,964

Total	$	218,516	$	41	$	(33	)	$	218,524

Amounts included in:
Cash equivalents	$	130,744	$	5	$	—		$	130,749
Investments		87,772		36		(33	)		87,775

Total	$	218,516	$	41	$	(33	)	$	218,524


	December 31, 2018
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gain		Loss			Value
U.S. Treasury securities	$	164,619	$	16	$	(320	)	$	164,315
Foreign government securities		3,486		1		(24	)		3,463
Corporate debt securities		725,778		41		(2,760	)		723,059
Time deposits		108,638		—		—			108,638

Total	$	1,002,521	$	58	$	(3,104	)	$	999,475

Amounts included in:
Cash equivalents	$	60,532	$	—	$	(1	)	$	60,531
Investments		941,989		58		(3,103	)		938,944

Total	$	1,002,521	$	58	$	(3,104	)	$	999,475

Investments Classified By Contractual Maturity Date

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


	June 29, 2019		December 31, 2018
Due in one year or less	$	211,124	$	797,649
Due after one year through three years		7,400		201,826

Total	$	218,524	$	999,475