Note 6 - Stock-based Compensation - Stock Option Activity (Details) $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended
	Apr. 01, 2023 USD ($) $ / shares shares
Options outstanding, balance (in shares) | shares	365
Weighted average exercise price per share (in dollars per share) | $ / shares	$ 30.00
Options outstanding, granted (in shares) | shares	49
Weighted average exercise price per share, granted (in dollars per share) | $ / shares	$ 30.27
Options outstanding, forfeited (in shares) | shares	(19)
Weighted average exercise price per share, forfeited (in dollars per share) | $ / shares	$ 33.22
Options outstanding, exercised (in shares) | shares	(5)
Weighted average exercise price per share, exercised (in dollars per share) | $ / shares	$ 19.86
Aggregate intrinsic value, exercised | $	$ 46
Options outstanding, balance (in shares) | shares	390
Weighted average exercise price per share (in dollars per share) | $ / shares	$ 30.00
Contractual term - weighted average, balance (Year)	7 years 3 months 29 days
Aggregate intrinsic value, outstanding | $	$ 938
Options outstanding, vested and anticipated to vest in future (in shares) | shares	382
Weighted average exercise price per share, vested and anticipated to vest in future (in dollars per share) | $ / shares	$ 29.94
Contractual term - weighted average, vested and anticipated to vest in future (Year)	7 years 3 months 14 days
Aggregate intrinsic value, vested and anticipated to vest in future | $	$ 936
Options outstanding, exercisable (in shares) | shares	231
Weighted average exercise price per share, exercisable (in dollars per share) | $ / shares	$ 28.42
Contractual term - weighted average, exercisable (Year)	6 years 1 month 28 days
Aggregate intrinsic value, exercisable | $	$ 811