CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Oct. 03, 2025	Sep. 27, 2024	Sep. 29, 2023
Net sales	$ 592,415	$ 592,846	$ 663,844
Cost of sales	384,322	391,866	419,757
Gross profit	208,093	200,980	244,087
Operating expenses:
Marketing and selling	134,455	144,564	144,446
Administrative management, finance and information systems	57,627	57,643	56,497
Goodwill impairment	0	11,173	0
Research and development	32,202	31,122	31,404
Total operating expenses	224,284	244,502	232,347
Operating (loss) profit	(16,191)	(43,522)	11,740
Interest income	(3,783)	(4,844)	(4,543)
Interest expense	224	152	152
Other income, net	(3,353)	(8,968)	(9,693)
(Loss) profit before income taxes	(9,279)	(29,862)	25,824
Income tax expense (benefit)	25,015	(3,329)	6,290
Net (loss) income	$ (34,294)	$ (26,533)	$ 19,534
Weighted average common shares - Basic:
Dilutive stock options and restricted stock units (in shares)	0	0	19
Weighted average common shares - Dilutive (in shares)	10,264	10,221	10,195
Class A
Weighted average common shares - Basic:
Weighted average common shares - Basic (in shares)	9,056	9,013	8,968
Net (loss) income per common share - Basic:
Net (loss) income per common share - Basic (USD per share)	$ (3.35)	$ (2.60)	$ 1.93
Net (loss) income per common share - Diluted:
Net (loss) income per common share - Diluted (USD per share)	(3.35)	(2.60)	1.90
Dividends declared per common share:
Dividends declared per common share (USD per share)	$ 1.32	$ 1.32	$ 1.26
Class B
Weighted average common shares - Basic:
Weighted average common shares - Basic (in shares)	1,208	1,208	1,208
Net (loss) income per common share - Basic:
Net (loss) income per common share - Basic (USD per share)	$ (3.35)	$ (2.60)	$ 1.75
Net (loss) income per common share - Diluted:
Net (loss) income per common share - Diluted (USD per share)	(3.35)	(2.60)	1.90
Dividends declared per common share:
Dividends declared per common share (USD per share)	$ 1.20	$ 1.20	$ 1.15