Note 7 - Stock-based Compensation - Restricted Stock Units Activity (Details) - Restricted Stock Units (RSUs) [Member] shares in Thousands	6 Months Ended
	Mar. 28, 2026 $ / shares shares
Restricted stock units outstanding, balance (in shares) | shares	147
Weighted average grant date fair value, balance (in dollars per share) | $ / shares	$ 32.31
Granted, units (in shares) | shares	34
Granted, units, weighed average grant date fair value (in dollars per share) | $ / shares	$ 37
Vested, units (in shares) | shares	(44)
Vested, units, weighted average grant date fair value (in dollars per share) | $ / shares	$ 30.95
Restricted stock units outstanding, balance (in shares) | shares	137
Weighted average grant date fair value, balance (in dollars per share) | $ / shares	$ 33.91