Quarterly report pursuant to Section 13 or 15(d)

Note F - Debt (Details Textual)

Note F - Debt (Details Textual)		1 Months Ended			9 Months Ended
Note F - Debt (Details Textual)	Jun. 02, 2022	Sep. 30, 2022 USD ($)	May 31, 2022 USD ($)	Dec. 31, 2020 USD ($)	Jul. 01, 2023 USD ($)	Jul. 02, 2022 USD ($)	Feb. 03, 2023 USD ($)	Jan. 03, 2023	Oct. 01, 2022 USD ($)	Aug. 28, 2020 USD ($)	Apr. 27, 2020
Repayments of Long-term Debt, Total					$ 367,723,000	$ 383,919,000
Banco Ficohsa [Member] \| Term Loan Established December 2020 [Member]
Debt Instrument, Term (Year)				5 years
Repayments of Long-term Debt, Total				$ 1,100,000
Banco Ficohsa [Member] \| Term Loan Established May 2022 [Member]
Debt Instrument, Term (Year)			5 years
Debt Instrument, Face Amount			$ 3,700,000
Banco Ficohsa [Member] \| Term Loan Established September 2022 [Member]
Debt Instrument, Term (Year)		5 years
Debt Instrument, Face Amount		$ 3,000,000.0
Revolving Credit Facility [Member] \| Banco Ficohsa [Member] \| Line of Credit [Member]
Repayments of Long-term Debt, Total				$ 9,500,000
Amended Credit Agreement [Member] \| Revolving Credit Facility [Member]
SOFR Floor Rate	0.00%
Debt Instrument, Term (Year)	5 years
Debt Covenant Fixed Charge Coverage Ratio Term (Month)	12 months
Fixed Charge Coverage Ratio Requirement	1.0										1.1
Increased Reporting Event, Includes of Lesser of Borrowing Base and Maximum Revolver Amount, Percentage								12.50%
Increased Reporting Event, Includes Line Cap, Percentage								12.50%
Line of Credit Facility, Minimum Available Threshold One							$ 7,500,000
Line of Credit Facility, Minimum Available Threshold Two							9,000,000
Line of Credit Facility, Minimum Available Threshold Three							10,000,000
Line of Credit Facility, Minimum Available Threshold Four							$ 0
Line of Credit Facility, Increase in Applicable Margin							0.50%
Line of Credit Facility, Cash Dominion Trigger Event							$ 2,000,000
Line of Credit Facility, Maximum Borrowing Capacity										$ 170,000,000
Line Of Credit Facility Maximum Capacity For Capital Leases										25,000,000
Line of Credit Facility Including Additional Borrowing Capacity Maximum										$ 200,000,000
Long-Term Line of Credit					$ 126,400,000
Line of Credit Facility, Interest Rate During Period					7.80%
Line of Credit Facility, Remaining Borrowing Capacity					$ 14,400,000
Amended Credit Agreement [Member] \| Revolving Credit Facility [Member] \| One Month SOFR [Member]
Debt Instrument, Basis Spread on Variable Rate	0.10%
Amended Credit Agreement [Member] \| Revolving Credit Facility [Member] \| Three Month SOFR [Member]
Debt Instrument, Basis Spread on Variable Rate	0.15%
Amended Credit Agreement [Member] \| Letter of Credit [Member]
Retained Earnings Amount Available For Dividends And Stock Repurchases					$ 16,400,000				$ 24,900,000