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Fair Value Measurements (Tables)	3 Months Ended
Fair Value Measurements (Tables)	Aug. 27, 2022
Fair Value Measurements [Abstract]
Schedule Of Assets Measured At Fair Value On A Recurring Basis	August 27, 2022 Level 1 Level 2 Level 3 Balance Assets Municipal bonds $ — $ 14,877 $ — $ 14,877 Commercial paper — 15,883 — 15,883 Corporate bonds — 80,474 — 80,474 Certificates of deposits — 3,215 — 3,215 US government and agency obligations — 8,103 — 8,103 Asset backed securities — 15,393 — 15,393 Treasury bills — 7,839 — 7,839 Mutual funds 3,337 — — 3,337 Total assets measured at fair value $ 3,337 $ 145,784 $ — $ 149,121 May 28, 2022 Level 1 Level 2 Level 3 Balance Assets Municipal bonds $ — $ 10,104 $ — $ 10,104 Commercial paper — 14,868 — 14,868 Corporate bonds — 73,684 — 73,684 Certificates of deposits — 1,245 — 1,245 US government and agency obligations — 2,209 — 2,209 Asset backed securities — 13,319 — 13,319 Mutual funds 3,752 — — 3,752 Total assets measured at fair value $ 3,752 $ 115,429 $ — $ 119,181