Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	May 28, 2022	May 29, 2021	May 30, 2020
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
Foreign tax credits	$ 1,800,000	1,800,000
Deferred tax liability, undistributed earnings of foreign subsidiaries	24,000	24,000
Deferred tax valuation allowance	3,474,000	12,225,000
Foreign tax credits	1,782,000	1,782,000
Income taxes paid, net	1,500,000	100,000	$ 1,000,000.0
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	2,400,000	3,900,000
Valuation allowance pertaining to deferred tax assets	200,000
Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	400,000	$ 400,000
Valuation allowance pertaining to deferred tax assets	$ 1,500,000