Segment Information - Schedule of Disaggregates Our Sales to Customers (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Apr. 17, 2020
Apr. 19, 2019
Apr. 17, 2020
Apr. 19, 2019
Direct store delivery $ 25,859 $ 22,656 $ 50,995 $ 46,224
Direct customer warehouse 8,196 7,241 18,347 16,842
Total Snack Food Products 34,055 29,897 69,342 63,066
Distributors 8,944 11,546 20,299 23,418
Total Frozen Food Products 8,944 11,546 20,299 23,418
Totals 42,999 41,443 89,641 86,484
Retail [Member]        
Direct store delivery [1] 25,859 22,656 50,995 46,224
Direct customer warehouse [1] 8,196 7,241 18,347 16,842
Total Snack Food Products [1] 34,055 29,897 69,342 63,066
Distributors [1] 1,945 1,373 4,667 3,639
Total Frozen Food Products [1] 1,945 1,373 4,667 3,639
Totals [1] 36,000 31,270 74,009 66,705
Foodservice [Member]        
Direct store delivery [2]
Direct customer warehouse [2]
Total Snack Food Products [2]
Distributors [2] 6,999 10,173 15,632 19,779
Total Frozen Food Products [2] 6,999 10,173 15,632 19,779
Totals [2] $ 6,999 $ 10,173 $ 15,632 $ 19,779
[1] Includes sales to food retailers, such as grocery retailers, warehouse club stores, and internet-based retailers.
[2] Includes sales to foodservice distributors, restaurant operators, hotel chains and noncommercial foodservice establishments such as schools, convenience stores, healthcare facilities and the military.