Cash, cash equivalents and short-term investments (Tables)

12 Months Ended

Jan. 03, 2020

Cash And Cash Equivalents [Abstract]

Cash, cash equivalents and short-term investments

Cash, cash equivalents and short-term investments consisted of the following as of January 3, 2020:

							Estimated
(In thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Classified as current assets:
Cash	$	135,225	$	—	$	—	$	135,225
Cash equivalents:
Money market securities		41,211		—		—		41,211
Total cash equivalents		41,211		—		—		41,211
Total cash and cash equivalents		176,436		—		—		176,436
Short-term investments:
U.S. Treasury and agency securities		54,841		324		—		55,165
Total short-term investments		54,841		324		—		55,165
Total cash, cash equivalents and short-term investments	$	231,277	$	324	$	—	$	231,601

Cash, cash equivalents and short-term investments consisted of the following as of December 28, 2018:

								Estimated
(In thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Classified as current assets:
Cash	$	120,846	$	—	$	—		$	120,846
Cash equivalents:
Money market securities		6,213		—		—			6,213
Total cash equivalents		6,213		—		—			6,213
Total cash and cash equivalents		127,059		—		—			127,059
Short-term investments:
U.S. Treasury and agency securities		81,634		91		(230	)		81,495
Total short-term investments		81,634		91		(230	)		81,495
Total cash, cash equivalents and short-term investments	$	208,693	$	91	$	(230	)	$	208,554