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Schedule of Available for Sale Marketable Securities (Detail) - USD ($) $ in Thousands	Jul. 02, 2023	Dec. 31, 2022
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	$ 164,965	$ 123,839
Available-for-sale marketable securities, Unrealized Gain	595	73
Available-for-sale marketable securities, Unrealized (Loss)	(9,375)	(11,041)
Available-for-sale marketable securities, Fair Market Value	156,185	112,871
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	122,647	99,763
U.S. Treasury Securities
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	56,107	44,030
Available-for-sale marketable securities, Unrealized Gain	2
Available-for-sale marketable securities, Unrealized (Loss)	(3,871)	(4,381)
Available-for-sale marketable securities, Fair Market Value	52,238	39,649
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	42,716	39,649
Corporate Debt Securities
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	56,680	57,006
Available-for-sale marketable securities, Unrealized Gain	12	3
Available-for-sale marketable securities, Unrealized (Loss)	(5,084)	(6,153)
Available-for-sale marketable securities, Fair Market Value	51,608	50,856
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	50,455	50,667
Commercial Paper
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	30,311	7,089
Available-for-sale marketable securities, Unrealized Gain	581	70
Available-for-sale marketable securities, Unrealized (Loss)	(10)
Available-for-sale marketable securities, Fair Market Value	30,882	7,159
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	19,840
U.S. Government Agency Securities
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	6,520	6,442
Available-for-sale marketable securities, Unrealized Gain	0
Available-for-sale marketable securities, Unrealized (Loss)	(45)	(90)
Available-for-sale marketable securities, Fair Market Value	6,475	6,352
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	6,475	6,352
Debt Mutual Funds
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	8,104	6,997
Available-for-sale marketable securities, Unrealized (Loss)	(365)	(417)
Available-for-sale marketable securities, Fair Market Value	7,739	6,580
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	3,161	3,095
Certificates of Deposit and Time Deposits
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	6,699	1,740
Available-for-sale marketable securities, Fair Market Value	6,699	1,740
Non-U.S. Government Securities
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	544	535
Available-for-sale marketable securities, Fair Market Value	$ 544	$ 535

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