CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 27, 2024	Dec. 29, 2023
Net sales	$ 107,649	$ 138,644
Cost of sales	75,466	85,790
Gross profit	32,183	52,854
Operating expenses:
Marketing and selling	30,384	30,342
Administrative management, finance and information systems	14,476	14,401
Research and development	7,562	8,065
Total operating expenses	52,422	52,808
Operating (loss) profit	(20,239)	46
Interest income	(1,033)	(1,198)
Interest expense	47	38
Other income, net	(326)	(4,693)
(Loss) profit before income taxes	(18,927)	5,899
Income tax (benefit) expense	(3,637)	1,944
Net (loss) income	$ (15,290)	$ 3,955
Weighted average common shares - Basic:
Participating securities (in shares)	23	24
Weighted average common shares - Dilutive (in shares)	10,270	10,220
Class A
Weighted average common shares - Basic:
Weighted average common shares - basic (in shares)	9,039	8,988
Net (loss) income per common share - Basic:
Net (loss) income per common share - basic (in USD per share)	$ (1.49)	$ 0.39
Net (loss) income per common share - Diluted:
Net (loss) income per common share - diluted (in USD per share)	$ (1.49)	$ 0.38
Class B
Weighted average common shares - Basic:
Weighted average common shares - basic (in shares)	1,208	1,208
Net (loss) income per common share - Basic:
Net (loss) income per common share - basic (in USD per share)	$ (1.49)	$ 0.35
Net (loss) income per common share - Diluted:
Net (loss) income per common share - diluted (in USD per share)	$ (1.49)	$ 0.38