Quarterly report pursuant to Section 13 or 15(d)

Note H - Stock-based Compensation (Details Textual)

Note H - Stock-based Compensation (Details Textual) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Apr. 02, 2022	Jan. 01, 2022	Apr. 03, 2021	Apr. 02, 2022	Apr. 03, 2021
Share-Based Payment Arrangement, Expense	$ 0.9		$ 0.6	$ 1.3	$ 1.5
Share-Based Payment Arrangement, Expense, Tax Benefit	$ 0.2		$ 0.1	0.2	$ 0.4
Performance Shares [Member] \| Upon Filing of Annual Report in 2021 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)		47,700
Performance Shares [Member] \| Upon Filing of Annual Report in 2023 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)		59,625
Restricted Stock Units (RSUs) [Member] \| Upon Filing of Annual Report in 2021 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)		95,000
Restricted Stock Units (RSUs) [Member] \| Upon Filing of Annual Report in 2022 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)		5,000
Restricted Stock Units (RSUs) [Member] \| Upon Filing of Annual Report in 2023 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	42,000	59,625
Restricted Stock Units (RSUs) [Member] \| Upon Filing of Annual Report in 2024 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	42,000	13,000
Restricted Stock Units and Performance Units [Member] \| Upon Filing of Annual Report in 2021, Paid in Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)		96,350
Restricted Stock Units and Performance Units [Member] \| Upon Filing of Annual Report in 2021, Paid in Cash [Member]
Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments Other than Options Vested in Period, Payable in Cash (in shares)		46,350
Restricted Stock Units and Performance Units [Member] \| Upon Filing of Annual Report in 2023, Paid in Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	21,000	64,625
Restricted Stock Units and Performance Units [Member] \| Upon Filing of Annual Report in 2023, Paid in Cash [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	21,000	54,625
Restricted Stock Units and Performance Units [Member] \| Upon Filing of Annual Report in 2024, Paid in Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	21,000
Restricted Stock Units and Performance Units [Member] \| Upon Filing of Annual Report in 2024, Paid in Cash [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	21,000
The 2020 Stock Plan [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 5.9			$ 5.9
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)				2 years 8 months 12 days