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Investment Securities (Schedule of Investment Securities) (Details) - USD ($)
$ in Thousands
Jun. 03, 2023
May 28, 2022
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost, Current $ 357,479 $ 116,167
Unrealized Gains, Current 0 4
Unrealized Losses, Current 2,389 742
Estimated Fair Value, Current 355,090 115,429
Amortized Cost, Noncurrent 2,172 3,826
Unrealized Gains, Noncurrent 0 0
Unrealized Losses, Noncurrent 91 74
Estimated Fair Value, Noncurrent 2,081 3,752
Municipal Bonds [Member]    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost, Current 16,571 10,136
Unrealized Gains, Current 0 0
Unrealized Losses, Current 275 32
Estimated Fair Value, Current 16,296 10,104
Commercial Paper [Member]    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost, Current 56,486 14,940
Unrealized Gains, Current 0 0
Unrealized Losses, Current 77 72
Estimated Fair Value, Current 56,409 14,868
Corporate Bonds [Member]    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost, Current 139,979 74,167
Unrealized Gains, Current 0 0
Unrealized Losses, Current 1,402 483
Estimated Fair Value, Current 138,577 73,684
Certificates of Deposits [Member]    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost, Current 675 1,263
Unrealized Gains, Current 0 0
Unrealized Losses, Current 0 18
Estimated Fair Value, Current 675 1,245
US Government and Agency Obligations [Member]    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost, Current 101,240 2,205
Unrealized Gains, Current 0 4
Unrealized Losses, Current 471 0
Estimated Fair Value, Current 100,769 2,209
Asset Backed Securities [Member]    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost, Current 13,459 13,456
Unrealized Gains, Current 0 0
Unrealized Losses, Current 151 137
Estimated Fair Value, Current 13,308 13,319
Treasury Bills [Member]    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost, Current 29,069  
Unrealized Gains, Current 0  
Unrealized Losses, Current 13  
Estimated Fair Value, Current 29,056  
Mutual Funds [Member]    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost, Noncurrent 2,172 3,826
Unrealized Gains, Noncurrent 0 0
Unrealized Losses, Noncurrent 91 74
Estimated Fair Value, Noncurrent $ 2,081 $ 3,752