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Schedule of Available for Sale Marketable Securities (Detail) - USD ($) $ in Thousands | Jul. 02, 2023 | Dec. 31, 2022
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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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