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Income Taxes - Additional Information (Details) - USD ($)
 12 Months Ended
May 29, 2021
May 30, 2020
Jun. 01, 2019
Operating Loss Carryforwards [Line Items]      
U.S. federal statutory income tax rate 21.00% 21.00% 21.00%
Federal net operating loss $ 3,000,000.0 $ 3,700,000  
Foreign tax credits 1,800,000 1,800,000  
Alternative minimum tax credit carryforward 0    
Deferred tax liability, undistributed earnings of foreign subsidiaries 24,000 24,000  
Deferred tax valuation allowance 12,225,000 12,322,000  
Change in valuation allowance   12,300,000  
Income taxes paid, net 100,000 1,000,000.0 $ 300,000
Liability for uncertain tax positions related to continuing operations, excluding interest and penalties 100,000 100,000  
Liability for interest and penalties 0 0  
Maximum      
Operating Loss Carryforwards [Line Items]      
Deferred tax liability, undistributed earnings of foreign subsidiaries 100,000 100,000  
State and Local Jurisdiction      
Operating Loss Carryforwards [Line Items]      
Operating Loss Carryforwards 3,900,000 3,800,000  
Foreign Tax Authority      
Operating Loss Carryforwards [Line Items]      
Operating Loss Carryforwards $ 400,000 $ 300,000