Note 6 - Stock-based Compensation - Stock Option Activity (Details) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended
	Jun. 29, 2024 USD ($) $ / shares shares
Options outstanding, balance (in shares) | shares	411
Weighted average exercise price per share (in dollars per share) | $ / shares	$ 30.68
Options outstanding, granted (in shares) | shares	46
Weighted average exercise price per share, granted (in dollars per share) | $ / shares	$ 34.75
Options outstanding, forfeited (in shares) | shares	(8)
Weighted average exercise price per share, forfeited (in dollars per share) | $ / shares	$ 41.86
Options outstanding, exercised (in shares) | shares	(38)
Weighted average exercise price per share, exercised (in dollars per share) | $ / shares	$ 30.79
Aggregate intrinsic value, exercised | $	$ 194
Options outstanding, balance (in shares) | shares	411
Weighted average exercise price per share (in dollars per share) | $ / shares	$ 30.91
Contractual term - weighted average, balance (Year)	6 years 10 months 17 days
Aggregate intrinsic value, outstanding | $	$ 1,102
Options outstanding, vested and anticipated to vest in future (in shares) | shares	405
Weighted average exercise price per share, vested and anticipated to vest in future (in dollars per share) | $ / shares	$ 30.87
Contractual term - weighted average, vested and anticipated to vest in future (Year)	6 years 10 months 6 days
Aggregate intrinsic value, vested and anticipated to vest in future | $	$ 1,101
Options outstanding, exercisable (in shares) | shares	246
Weighted average exercise price per share, exercisable (in dollars per share) | $ / shares	$ 29.41
Contractual term - weighted average, exercisable (Year)	5 years 6 months 25 days
Aggregate intrinsic value, exercisable | $	$ 1,083