Note 12 - Stock-based Compensation - Unvested Restricted Stock Units and Performance Units (Details) - $ / shares	Oct. 01, 2022	Oct. 02, 2021	Oct. 03, 2020
Number of units (in shares)	385,250	260,000	406,000
Average market price on date of grant (in dollars per share)	$ 27.85	$ 20.38	$ 20.16
The 2020 Stock Plan [Member]
Number of units (in shares)	385,250
Restricted Stock Units (RSUs) [Member] \| The 2020 Stock Plan [Member] \| Vesting On November 2022 [Member]
Number of units (in shares)	105,000
Average market price on date of grant (in dollars per share)	$ 21.04
Restricted Stock Units (RSUs) [Member] \| The 2020 Stock Plan [Member] \| Vesting On November 2023 [Member]
Number of units (in shares)	98,126
Average market price on date of grant (in dollars per share)	$ 30.07
Restricted Stock Units (RSUs) [Member] \| The 2020 Stock Plan [Member] \| Vesting On November 2024 [Member]
Number of units (in shares)	111,000
Average market price on date of grant (in dollars per share)	$ 30.07
Performance Shares [Member] \| The 2020 Stock Plan [Member] \| Vesting On November 2023 [Member]
Number of units (in shares)	61,124
Average market price on date of grant (in dollars per share)	$ 27.94
Performance Shares [Member] \| The 2020 Stock Plan [Member] \| Vesting On November 2024 [Member]
Number of units (in shares)	10,000
Average market price on date of grant (in dollars per share)	$ 30.15