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Organization, Basis of Presentation, and Summary of Significant Accounting Policies - Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
Jun. 09, 2021
Jun. 01, 2021
Sep. 02, 2020
Aug. 29, 2021
Feb. 28, 2021
Nov. 29, 2020
Aug. 30, 2020
May 30, 2021
May 31, 2020
May 31, 2021
Nov. 03, 2020
Jul. 15, 2014
Related Party Transaction [Line Items]                        
Current portion       $ 1,400,000       $ 1,400,000        
Noncurrent portion       4,800,000       5,100,000        
Cash flow hedge expected to be reclassified within twelve months       (700,000)                
Proceeds from sales of property and equipment       1,082,000     $ 4,855,000          
Gain on sale of property       (16,000)     11,000          
Sale of Investment in non-public company       45,100,000     0          
Deferred revenue       1,216,000       1,130,000        
Revenue recognized included in the contract liability       200,000                
Loss contingency, minimum amount of damages                     $ 80,000,000  
Insurance recoveries         $ 1,600,000              
Regulatory Permitting At Tanok Facility In Mexico                        
Related Party Transaction [Line Items]                        
Damages sought     $ 10,000,000                  
Unbilled Revenues                        
Related Party Transaction [Line Items]                        
Contract with customer, assets       10,500,000       10,600,000        
Deferred revenue       $ 1,400,000       900,000        
Minimum | Customer Relationships                        
Related Party Transaction [Line Items]                        
Useful life (in years)       11 years                
Maximum | Customer Relationships                        
Related Party Transaction [Line Items]                        
Useful life (in years)       13 years                
Rock Hill South Carolina Distribution Facility                        
Related Party Transaction [Line Items]                        
Impairment of assets held for sale               0        
Proceeds from sales of property and equipment $ 1,100,000                      
Gain on sale of property $ 600,000                      
Assets held for sale               500,000        
Salad Dressing Plant In Ontario, California                        
Related Party Transaction [Line Items]                        
Impairment of assets held for sale                 $ 10,900,000      
Proceeds from sales of property and equipment             4,900,000          
Gain on sale of property             2,800,000          
Manufacturing Operations in Hanover, Pennsylvania                        
Related Party Transaction [Line Items]                        
Impairment of assets held for sale             8,800,000          
Manufacturing Operations in Hanover, Pennsylvania | Asset reclassification from property and equipment to other current assets                        
Related Party Transaction [Line Items]                        
Gain on sale of property           $ 0            
Proceeds from sale of property held-for-sale           $ 8,000,000            
Prepaid Expenses and Other Current Assets                        
Related Party Transaction [Line Items]                        
Debt issuance costs       $ 700,000       700,000        
Other Assets                        
Related Party Transaction [Line Items]                        
Debt issuance costs       $ 2,300,000       2,400,000        
Windset                        
Related Party Transaction [Line Items]                        
Related accounts receivable               $ 100,000        
Cost of product sales | Windset                        
Related Party Transaction [Line Items]                        
Revenue from related parties             $ 100,000          
Windset                        
Related Party Transaction [Line Items]                        
Investment ownership percentage                       26.90%
Sale of Investment in non-public company   $ 45,100,000                    
Windset                        
Related Party Transaction [Line Items]                        
Ownership percentage                   26.90%