Investment Securities Available-for-Sale (Schedule of Investment Securities Available-for-Sale) (Details) - USD ($) $ in Thousands	May 30, 2026	May 31, 2025
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	$ 817,793	$ 892,927
Unrealized Gains, Current	4	133
Unrealized Losses, Current	957	352
Estimated Fair Value, Current	816,840	892,708
Municipal Bonds [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	12,362	21,695
Unrealized Gains, Current	4	3
Unrealized Losses, Current	0	0
Estimated Fair Value, Current	12,366	21,698
Commercial Paper [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	42,562	90,880
Unrealized Gains, Current	0	0
Unrealized Losses, Current	16	50
Estimated Fair Value, Current	42,546	90,830
Corporate Bonds [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	569,137	431,378
Unrealized Gains, Current	0	130
Unrealized Losses, Current	742	0
Estimated Fair Value, Current	568,395	431,508
Certificates of Deposits [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	3,226	5,200
Unrealized Gains, Current	0	0
Unrealized Losses, Current	6	6
Estimated Fair Value, Current	3,220	5,194
US Government and Agency Obligations [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	153,172	240,655
Unrealized Gains, Current	0	0
Unrealized Losses, Current	187	260
Estimated Fair Value, Current	152,985	240,395
Treasury Bills [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	37,334	103,119
Unrealized Gains, Current	0	0
Unrealized Losses, Current	6	36
Estimated Fair Value, Current	$ 37,328	$ 103,083

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), clasified as current.

No definition available.

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Amount, before tax, of unrealized loss 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), classified as current.

+ References

No definition available.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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