Investments (Tables)

9 Months Ended

Sep. 30, 2020

Investments [Abstract]

Schedule of available-for-sale investments

Available-for-sale investments at September 30, 2020 were as follows:

(In thousands)	Adjusted Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Cash equivalents:
Money market funds	$	56,855	$	—	$	—	$	56,855
Time deposits	19,676		—		—		19,676
Commercial Paper	1,600		—		—		1,600
Government and corporate bonds	1,150		—		—		1,150
Total cash equivalents	79,281		—		—		79,281
Short-term investments:
Time deposits	21,248		—		—		21,248
Commercial paper	259,000		22		(7)		259,015
Government and corporate bonds	192,536		559		(35)		193,060
Total short-term investments	472,784		581		(42)		473,323
Long-term investments:
Government and corporate bonds	91,605		180		(78)		91,707
Total available-for-sale investments	$	643,670	$	761	$	(120)	$	644,311

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