Note 7 - Stock-based Compensation - Stock Option Activity (Details) $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended
	Mar. 28, 2026 USD ($) $ / shares shares
Options outstanding, balance (in shares) | shares	524
Options outstanding, weighted average exercise price per share (in dollars per share) | $ / shares	$ 32.01
Granted (in shares) | shares	49
Granted, weighted average exercise price (in dollars per share) | $ / shares	$ 37
Exercised (in shares) | shares	(3)
Exercised, weighted average exercise price per share (in dollars per share) | $ / shares	$ 32.15
Exercised, aggregate intrinsic value | $	$ 15
Options outstanding, balance (in shares) | shares	570
Options outstanding, weighted average exercise price per share (in dollars per share) | $ / shares	$ 32.44
Options outstanding, weighted average term (Year)	6 years 8 months 8 days
Options outstanding, aggregate intrinsic value | $	$ 1,378
Options outstanding, vested and expected to vest (in shares) | shares	557
Weighted average exercise price per share, vested and expected to vest (in dollars per share) | $ / shares	$ 32.39
Contractual term - weighted average, vested and expected to vest (Year)	6 years 7 months 17 days
Aggregate intrinsic value, vested and expected to vest | $	$ 1,372
Options exercisable (in shares) | shares	360
Options exercisable, weighted average exercise price (in dollars per share) | $ / shares	$ 31.41
Options exercisable, weighted average term (Year)	5 years 4 months 6 days
Options exercisable, aggregate intrinsic value | $	$ 1,248