Schedule of Available for Sale Marketable Securities (Detail) - USD ($) $ in Thousands	Jul. 03, 2022	Dec. 31, 2021
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	$ 293,307	$ 334,077
Available-for-sale marketable securities, Unrealized Gain	197	5,477
Available-for-sale marketable securities, Unrealized (Loss)	(7,603)	(718)
Available-for-sale marketable securities, Fair Market Value	285,901	338,836
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	263,250	91,937
U.S. Treasury Securities
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	75,962	77,707
Available-for-sale marketable securities, Unrealized Gain	42	551
Available-for-sale marketable securities, Unrealized (Loss)	(2,904)	(470)
Available-for-sale marketable securities, Fair Market Value	73,100	77,789
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	71,861	46,435
Commercial Paper
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	150,695	189,614
Available-for-sale marketable securities, Unrealized Gain	8	15
Available-for-sale marketable securities, Unrealized (Loss)	(260)	(9)
Available-for-sale marketable securities, Fair Market Value	150,443	189,620
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	137,162	22,784
Corporate Debt Securities
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	53,274	52,266
Available-for-sale marketable securities, Unrealized Gain	147	4,863
Available-for-sale marketable securities, Unrealized (Loss)	(4,077)	(227)
Available-for-sale marketable securities, Fair Market Value	49,344	56,901
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	46,289	19,422
Certificates of Deposit and Time Deposits
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	1,261	1,356
Available-for-sale marketable securities, Fair Market Value	1,261	1,356
U.S. Government Agency Securities
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	4,786	4,617
Available-for-sale marketable securities, Unrealized Gain		5
Available-for-sale marketable securities, Unrealized (Loss)	(93)	(12)
Available-for-sale marketable securities, Fair Market Value	4,693	4,610
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	4,693	3,296
Debt Mutual Funds
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	6,783	7,928
Available-for-sale marketable securities, Unrealized Gain		43
Available-for-sale marketable securities, Unrealized (Loss)	(269)
Available-for-sale marketable securities, Fair Market Value	6,514	7,971
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	3,245
Non-U.S. Government Securities
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	546	589
Available-for-sale marketable securities, Fair Market Value	$ 546	$ 589

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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