Note 7 - Stock-based Compensation - Stock Option Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended
	Jun. 28, 2025
Options outstanding, balance (in shares)	466
Weighted average exercise price per share (in dollars per share)	$ 31.03
Granted, balance (in shares)	58
Granted, weighted average exercise price per share (in dollars per share)	$ 31.45
Exercised, balance (in shares)	(18)
Exercised, weighted average exercise price per share (in dollars per share)	$ 28.2
Aggregate intrinsic value, exercised	$ 156
Options outstanding, balance (in shares)	506
Weighted average exercise price per share (in dollars per share)	$ 31.18
Contractual term - weighted average, outstanding (Year)	6 years 8 months 19 days
Aggregate intrinsic value, outstanding	$ 3,538
Options outstanding, vested and expected to vest (in shares)	495
Weighted average exercise price per share, vested and expected to vest (in dollars per share)	$ 31.16
Contractual term - weighted average, vested and expected to vest (Year)	6 years 7 months 28 days
Aggregate intrinsic value, vested and expected to vest	$ 3,470
Options outstanding, exercisable (in shares)	304
Weighted average exercise price per share, exercisable (in dollars per share)	$ 30.62
Contractual term - weighted average, exercisable (Year)	5 years 3 months 21 days
Aggregate intrinsic value, exercisable	$ 2,374