Investments (Tables)

3 Months Ended

Mar. 31, 2020

Investments [Abstract]

Schedule of available-for-sale investments

Available-for-sale investments at March 31, 2020 were as follows:

(In thousands)	Adjusted Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Cash equivalents:
Money market funds	$	149,756	$	—	$	—	$	149,756
Time deposits	60,614		—		—		60,614
Total cash equivalents	210,370		—		—		210,370
Short-term investments:
Time deposits	14,737		—		—		14,737
Commercial paper	5,000		—		(26)		4,974
Government and corporate bonds	79,298		69		(304)		79,063
Total short-term investments	99,035		69		(330)		98,774
Long-term investments:
Government and corporate bonds	86,192		50		(853)		85,389
Total available-for-sale investments	$	395,597	$	119	$	(1,183)	$	394,533

Available-for-sale investments at December 28, 2019 were as follows:

(In thousands)	Adjusted Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Cash equivalents:
Money market funds	$	185,666	$	—	$	—	$	185,666
Time deposits	64,286		—		—		64,286
Total cash equivalents	249,952		—		—		249,952
Short-term investments:
Time deposits	2,506		—		—		2,506
Government and corporate bonds	83,272		52		(11)		83,313
Total short-term investments	85,778		52		(11)		85,819
Long-term investments:
Government and corporate bonds	96,186		91		(67)		96,210
Total available-for-sale investments	$	431,916	$	143	$	(78)	$	431,981