Schedule of Available for Sale Marketable Securities (Detail) - USD ($) $ in Thousands	Mar. 29, 2026	Dec. 31, 2025
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	$ 103,309	$ 105,599
Available-for-sale marketable securities, Unrealized Gain	121	383
Available-for-sale marketable securities, Unrealized (Loss)	(10,410)	(8,846)
Available-for-sale marketable securities, Fair Market Value	93,020	97,136
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	73,148	39,852
U.S. Treasury Securities
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	17,472	48,723
Available-for-sale marketable securities, Unrealized Gain	11	90
Available-for-sale marketable securities, Unrealized (Loss)	(4,856)	(4,670)
Available-for-sale marketable securities, Fair Market Value	12,627	44,143
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	12,112	13,891
Corporate Debt Securities
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	62,249	40,090
Available-for-sale marketable securities, Unrealized Gain	110	293
Available-for-sale marketable securities, Unrealized (Loss)	(5,071)	(3,999)
Available-for-sale marketable securities, Fair Market Value	57,288	36,384
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	49,277	22,941
Debt Mutual Funds
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	12,254	14,508
Available-for-sale marketable securities, Unrealized Gain	0	0
Available-for-sale marketable securities, Unrealized (Loss)	(209)	(177)
Available-for-sale marketable securities, Fair Market Value	12,045	14,331
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	2,929	3,020
Certificates of Deposit and Time Deposits
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	1,329	1,354
Available-for-sale marketable securities, Unrealized Gain	0	0
Available-for-sale marketable securities, Unrealized (Loss)	0	0
Available-for-sale marketable securities, Fair Market Value	1,329	1,354
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	10,005	924
Available-for-sale marketable securities, Unrealized Gain	0	0
Available-for-sale marketable securities, Unrealized (Loss)	(274)	0
Available-for-sale marketable securities, Fair Market Value	9,731	924
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	$ 8,830	$ 0

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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