Note 7 - Stock-based Compensation - Stock Option Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended
	Jul. 02, 2022
Options outstanding, balance (in shares)	428
Weighted average exercise price per share (in dollars per share)	$ 27.73
Options outstanding, granted (in shares)	36
Weighted average exercise price per share, granted (in dollars per share)	$ 38.54
Options outstanding, forfeited (in shares)	(60)
Weighted average exercise price per share, forfeited (in dollars per share)	$ 29.29
Options outstanding, exercised (in shares)	(85)
Weighted average exercise price per share, exercised (in dollars per share)	$ 24.23
Aggregate intrinsic value, exercised	$ 1,615
Options outstanding, balance (in shares)	319
Weighted average exercise price per share (in dollars per share)	$ 29.61
Contractual term - weighted average, balance (Year)	7 years 5 months 15 days
Aggregate intrinsic value, outstanding	$ 2,437
Options outstanding, vested and anticipated to vest in future (in shares)	308
Weighted average exercise price per share, vested and anticipated to vest in future (in dollars per share)	$ 29.47
Contractual term - weighted average, vested and anticipated to vest in future (Year)	7 years 4 months 28 days
Vested and anticipated to vest in the future at July 2, 2022	$ 2,382
Options outstanding, exercisable (in shares)	149
Weighted average exercise price per share, exercisable (in dollars per share)	$ 29.64
Contractual term - weighted average, exercisable (Year)	6 years 2 months 23 days
Aggregate intrinsic value, exercisable	$ 1,092