Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets (Details)

v3.10.0.1
Goodwill and Intangible Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 29, 2018
Dec. 30, 2017
Oct. 01, 2011
Oct. 08, 2018
Sep. 29, 2018
Goodwill and Finite-Lived Intangible Assets [Line Items]          
Goodwill, Cost $ 36,597       $ 33,217
Goodwill, Accumulated Amortization 0       0
Goodwill, Net Value 36,597       33,217
Intangibles, Cost 30,067       26,047
Intangibles, Accumulated Amortization (6,039)       (5,549)
Intangibles, Net Value 24,028       20,498
Goodwill acquired     $ 600    
Amortization of intangible assets 500 $ 200      
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]          
Amortization expense estimate for 2019 2,000        
Amortization expense estimate for 2020 1,800        
Amortization expense estimate for 2021 1,700        
Amortization expense estimate for 2022 1,700        
Amortization expense estimate for 2023 1,700        
Tradename/trademarks          
Goodwill and Finite-Lived Intangible Assets [Line Items]          
Intangibles, Cost 16,090       16,090
Intangibles, Accumulated Amortization (2,871)       (2,736)
Intangibles, Net Value $ 13,219       13,354
Tradename/trademarks | Minimum          
Goodwill and Finite-Lived Intangible Assets [Line Items]          
Intangibles, economic life (in years) 20 years        
Tradename/trademarks | Maximum          
Goodwill and Finite-Lived Intangible Assets [Line Items]          
Intangibles, economic life (in years) 30 years        
Customer relationships          
Goodwill and Finite-Lived Intangible Assets [Line Items]          
Intangibles, Cost $ 8,500       4,500
Intangibles, Accumulated Amortization (476)       (253)
Intangibles, Net Value $ 8,024       4,247
Customer relationships | Minimum          
Goodwill and Finite-Lived Intangible Assets [Line Items]          
Intangibles, economic life (in years) 8 years        
Customer relationships | Maximum          
Goodwill and Finite-Lived Intangible Assets [Line Items]          
Intangibles, economic life (in years) 10 years        
Technology          
Goodwill and Finite-Lived Intangible Assets [Line Items]          
Intangibles, Cost $ 1,720       1,720
Intangibles, Accumulated Amortization (1,150)       (1,105)
Intangibles, Net Value $ 570       615
Intangibles, economic life (in years) 10 years        
License agreements          
Goodwill and Finite-Lived Intangible Assets [Line Items]          
Intangibles, Cost $ 2,100       2,100
Intangibles, Accumulated Amortization (552)       (527)
Intangibles, Net Value $ 1,548       1,573
License agreements | Minimum          
Goodwill and Finite-Lived Intangible Assets [Line Items]          
Intangibles, economic life (in years) 15 years        
License agreements | Maximum          
Goodwill and Finite-Lived Intangible Assets [Line Items]          
Intangibles, economic life (in years) 30 years        
Non-compete agreements          
Goodwill and Finite-Lived Intangible Assets [Line Items]          
Intangibles, Cost $ 1,657       1,637
Intangibles, Accumulated Amortization (990)       (928)
Intangibles, Net Value $ 667       709
Non-compete agreements | Minimum          
Goodwill and Finite-Lived Intangible Assets [Line Items]          
Intangibles, economic life (in years) 4 years        
Non-compete agreements | Maximum          
Goodwill and Finite-Lived Intangible Assets [Line Items]          
Intangibles, economic life (in years) 8 years 6 months        
Delta Group          
Goodwill and Finite-Lived Intangible Assets [Line Items]          
Goodwill, Net Value         16,700
Salt Life Group          
Goodwill and Finite-Lived Intangible Assets [Line Items]          
Goodwill, Net Value         $ 19,900
SSL          
Goodwill and Finite-Lived Intangible Assets [Line Items]          
Goodwill, Net Value $ 3,380     $ 3,400  
Intangibles acquired $ 4,020     $ 4,000