v3.26.1
Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
 3 Months Ended 12 Months Ended
May 29, 2024
May 31, 2025
May 31, 2024
May 31, 2026
May 31, 2025
May 31, 2024
Oct. 16, 2025
Feb. 01, 2024
Description of Business and Summary of Significant Accounting Policies [Line Items]                
Impairment charge of long-lived assets [1]           $ 32,975,000    
Impairment of goodwill   $ 50,050,000            
Contract assets   0   $ 0 $ 0      
Unbilled receivables   0   0 0      
Derivative financial instruments, credit losses       0        
Allowance for doubtful accounts increase (decrease)       403,000        
Receivables, allowances   $ 907,000   1,310,000 907,000      
Inventory obsolescence reserve     $ 4,600,000     4,600,000    
Depreciation Expenses       38,938,000 34,490,000 36,793,000    
Advertising Expenses       $ 30,437,000 28,235,000 29,618,000    
Excess dividends received from investing activity           1,085,000    
Sustainable Energy Solutions                
Description of Business and Summary of Significant Accounting Policies [Line Items]                
Percent of ownership interest held in unconsolidated affiliates       49.00%     49.00%  
Loss on sale of equity investments       $ 2,950,000        
WAVE                
Description of Business and Summary of Significant Accounting Policies [Line Items]                
Excess dividends received from investing activity           1,085,000    
Maximum                
Description of Business and Summary of Significant Accounting Policies [Line Items]                
Period allowed for payment of dues to customers       60 days        
Maximum | Building and Building Improvements                
Description of Business and Summary of Significant Accounting Policies [Line Items]                
Property, plant and equipment, estimated useful life       40 years        
Maximum | Machinery and Equipment                
Description of Business and Summary of Significant Accounting Policies [Line Items]                
Property, plant and equipment, estimated useful life       20 years        
Minimum                
Description of Business and Summary of Significant Accounting Policies [Line Items]                
Period allowed for payment of dues to customers       30 days        
Minimum | Building and Building Improvements                
Description of Business and Summary of Significant Accounting Policies [Line Items]                
Property, plant and equipment, estimated useful life       10 years        
Minimum | Machinery and Equipment                
Description of Business and Summary of Significant Accounting Policies [Line Items]                
Property, plant and equipment, estimated useful life       3 years        
Hexagon                
Description of Business and Summary of Significant Accounting Policies [Line Items]                
Percent of noncontrolling interest 49.00%              
Percentage of sale of nominal share capital of former Sustainable Energy Solutions 51.00%              
Percentage of shares held by members of existing management team of joint venture 2.00%              
Impairment charge of long-lived assets     32,203,000          
Impairment of goodwill     $ 14,210,000          
Deconsolidation, loss           (30,502,000)    
Deal costs         $ 473,000 $ 1,250,000    
Hexagon | Joint Venture Transactions                
Description of Business and Summary of Significant Accounting Policies [Line Items]                
Percent of noncontrolling interest 49.00%              
Halo                
Description of Business and Summary of Significant Accounting Policies [Line Items]                
Percent of controlling interest by the Company               80.00%
[1] See “Use of Non-GAAP Financial Measures and Definitions” for additional information.