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Schedule of Available for Sale Marketable Securities (Detail) - USD ($) $ in Thousands	Oct. 01, 2023	Dec. 31, 2022
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	$ 154,129	$ 123,839
Available-for-sale marketable securities, Unrealized Gain	44	73
Available-for-sale marketable securities, Unrealized (Loss)	(12,692)	(11,041)
Marketable securities	141,481	112,871
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	119,468	99,763
U.S. Treasury Securities
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	63,773	44,030
Available-for-sale marketable securities, Unrealized Gain	0	0
Available-for-sale marketable securities, Unrealized (Loss)	(5,274)	(4,381)
Marketable securities	58,499	39,649
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	57,794	39,649
Corporate Debt Securities
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	57,710	57,006
Available-for-sale marketable securities, Unrealized Gain	0	3
Available-for-sale marketable securities, Unrealized (Loss)	(6,880)	(6,153)
Marketable securities	50,830	50,856
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	50,830	50,667
Commercial Paper
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	12,411	7,089
Available-for-sale marketable securities, Unrealized Gain	44	70
Available-for-sale marketable securities, Unrealized (Loss)	(1)	0
Marketable securities	12,454	7,159
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	2,988	0
U.S. Government Agency Securities
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	4,823	6,442
Available-for-sale marketable securities, Unrealized Gain	0	0
Available-for-sale marketable securities, Unrealized (Loss)	(49)	(90)
Marketable securities	4,774	6,352
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	4,774	6,352
Debt Mutual Funds
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	8,724	6,997
Available-for-sale marketable securities, Unrealized Gain	0	0
Available-for-sale marketable securities, Unrealized (Loss)	(488)	(417)
Marketable securities	8,236	6,580
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	3,082	3,095
Certificates of Deposit and Time Deposits
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	6,688	1,740
Available-for-sale marketable securities, Unrealized Gain	0	0
Available-for-sale marketable securities, Unrealized (Loss)	0	0
Marketable securities	6,688	1,740
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	$ 0	0
Non-U.S. Government Securities
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost		535
Available-for-sale marketable securities, Unrealized Gain		0
Available-for-sale marketable securities, Unrealized (Loss)		0
Marketable securities		535
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses		$ 0

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