Long-Term Debt - Narrative (Details) - USD ($)		3 Months Ended	9 Months Ended	12 Months Ended		14 Months Ended	15 Months Ended	38 Months Ended
	Nov. 20, 2019	Mar. 29, 2022	Sep. 27, 2022	Oct. 03, 2023	Sep. 27, 2022	Nov. 20, 2024	Sep. 28, 2021	Nov. 20, 2024	Dec. 28, 2021	Jun. 16, 2020	May 09, 2018
Line of Credit Facility [Line Items]
Indebtedness		$ 35,295,000
Unamortized debt issuance costs		1,200,000
Letters of credit outstanding		3,200,000
Cash on hand		$ 1,601,000							$ 2,255,000
Minimum
Line of Credit Facility [Line Items]
Interest rate during period		2.35%
Maximum
Line of Credit Facility [Line Items]
Interest rate during period		4.75%
2018 Credit Facility | Term loan
Line of Credit Facility [Line Items]
Aggregate principal amount											$ 25,000,000
2018 Credit Facility | Term loan | Forecast
Line of Credit Facility [Line Items]
Quarterly principal payments			$ 375,000	$ 531,250		$ 625,000
Frequency of periodic payment					quarter
2018 Credit Facility | Revolving credit facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity											65,000,000
2018 Credit Facility | Letter of credit subfacility
Line of Credit Facility [Line Items]
Maximum borrowing capacity											15,000,000
2018 Credit Facility | Swingline subfacility
Line of Credit Facility [Line Items]
Maximum borrowing capacity											$ 10,000,000
First Amended Credit Facility
Line of Credit Facility [Line Items]
Limit on capital expenditures in 2020	$ 37,000,000
Limit on capital expenditures in 2021	45,000,000
Limit on capital expenditures after 2021	$ 45,000,000
First Amended Credit Facility | LIBOR | Minimum
Line of Credit Facility [Line Items]
Basis spread on variable rate	2.00%
First Amended Credit Facility | LIBOR | Maximum
Line of Credit Facility [Line Items]
Basis spread on variable rate	2.75%
First Amended Credit Facility | Base Rate | Minimum
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.00%
First Amended Credit Facility | Base Rate | Maximum
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.75%
First Amended Credit Facility | Federal Funds Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate	0.50%
First Amended Credit Facility | Prime Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.00%
First Amended Credit Facility | Revolving credit facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 75,000,000
First Amended Credit Facility | Revolving credit facility | Minimum
Line of Credit Facility [Line Items]
Commitment fee percentage	0.20%
First Amended Credit Facility | Revolving credit facility | Maximum
Line of Credit Facility [Line Items]
Commitment fee percentage	0.35%
Second Amended Credit Facility
Line of Credit Facility [Line Items]
Limit on capital expenditures in 2020										$ 12,000,000
Limit on capital expenditures in 2021										12,000,000
Limit on capital expenditures in 2021 liquidity-based performance basket, maximum										12,000,000
Limit on capital expenditures in 2022										34,000,000
Limit on capital expenditures in 2023										37,000,000
Limit on capital expenditures after 2023										$ 45,000,000
Second Amended Credit Facility | LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate							3.25%
Second Amended Credit Facility | LIBOR | Minimum | Forecast
Line of Credit Facility [Line Items]
Basis spread on variable rate								2.00%
Second Amended Credit Facility | LIBOR | Maximum | Forecast
Line of Credit Facility [Line Items]
Basis spread on variable rate								3.00%