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Schedule of Reported 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
Marketable securities
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	95,482	39,950
Available-for-sale marketable securities, Unrealized Gain	581	70
Available-for-sale marketable securities, Unrealized (Loss)	(864)	(408)
Available-for-sale marketable securities, Fair Market Value	95,199	39,612
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	68,121	30,713
Long-term marketable securities
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	69,483	83,889
Available-for-sale marketable securities, Unrealized Gain	14	3
Available-for-sale marketable securities, Unrealized (Loss)	(8,511)	(10,633)
Available-for-sale marketable securities, Fair Market Value	60,986	73,259
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	$ 54,526	$ 69,050

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