Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets (Goodwill and Components of Intangible Assets) (Details)

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Goodwill and Intangible Assets (Goodwill and Components of Intangible Assets) (Details) - USD ($)
$ in Thousands
 6 Months Ended
Apr. 01, 2023
Oct. 01, 2022
Goodwill and Intangible Assets [Line Items]    
Goodwill, Cost $ 37,897 $ 37,897
Goodwill, Net Value 37,897 37,897
Intangibles, Cost 37,240 37,240
Intangibles, Accumulated Amortization (14,406) (13,214)
Intangibles, Net Value 22,834 24,026
Trademarks and Trade Names [Member]    
Goodwill and Intangible Assets [Line Items]    
Intangibles, Cost 16,000 16,000
Intangibles, Accumulated Amortization (5,117) (4,851)
Intangibles, Net Value $ 10,883 11,149
Trademarks and Trade Names [Member] | Minimum [Member]    
Goodwill and Intangible Assets [Line Items]    
Economic Life (Years) 20 years  
Trademarks and Trade Names [Member] | Maximum [Member]    
Goodwill and Intangible Assets [Line Items]    
Economic Life (Years) 30 years  
Customer Relationships [Member]    
Goodwill and Intangible Assets [Line Items]    
Intangibles, Cost $ 7,400 7,400
Intangibles, Accumulated Amortization (3,583) (3,213)
Intangibles, Net Value $ 3,817 4,187
Economic Life (Years) 20 years  
Technology-Based Intangible Assets [Member]    
Goodwill and Intangible Assets [Line Items]    
Intangibles, Cost $ 10,083 10,083
Intangibles, Accumulated Amortization (3,059) (2,610)
Intangibles, Net Value $ 7,024 7,473
Economic Life (Years) 10 years  
Licensing Agreements [Member]    
Goodwill and Intangible Assets [Line Items]    
Intangibles, Cost $ 2,100 2,100
Intangibles, Accumulated Amortization (992) (940)
Intangibles, Net Value $ 1,108 1,160
Licensing Agreements [Member] | Minimum [Member]    
Goodwill and Intangible Assets [Line Items]    
Economic Life (Years) 15 years  
Licensing Agreements [Member] | Maximum [Member]    
Goodwill and Intangible Assets [Line Items]    
Economic Life (Years) 30 years  
Noncompete Agreements [Member]    
Goodwill and Intangible Assets [Line Items]    
Intangibles, Cost $ 1,657 1,657
Intangibles, Accumulated Amortization (1,655) (1,600)
Intangibles, Net Value $ 2 $ 57
Noncompete Agreements [Member] | Minimum [Member]    
Goodwill and Intangible Assets [Line Items]    
Economic Life (Years) 4 years  
Noncompete Agreements [Member] | Maximum [Member]    
Goodwill and Intangible Assets [Line Items]    
Economic Life (Years) 8 years 6 months