CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2021	Jan. 01, 2021
Net sales	$ 153,524	$ 165,667
Cost of sales	92,893	90,637
Gross profit	60,631	75,030
Operating expenses:
Marketing and selling	28,232	32,533
Administrative management, finance and information systems	12,230	12,891
Research and development	6,409	6,049
Total operating expenses	46,871	51,473
Operating profit	13,760	23,557
Interest income	(93)	(82)
Interest expense	38	32
Other income, net	(774)	(2,404)
Profit before income taxes	14,589	26,011
Income tax expense	3,733	6,164
Net income	$ 10,856	$ 19,847
Weighted average common shares - Basic:
Participating securities (shares)	41	39
Weighted average common shares - Dilutive (shares)	10,138	10,091
Class A
Weighted average common shares - Basic:
Weighted average common shares - Basic (shares)	8,888	8,840
Net income per common share - Basic:
Net income per common share - Basic (USD per share)	$ 1.08	$ 1.99
Net income per common share - Diluted:
Net income per common share - Diluted (USD per share)	$ 1.07	$ 1.96
Class B
Weighted average common shares - Basic:
Weighted average common shares - Basic (shares)	1,209	1,212
Net income per common share - Basic:
Net income per common share - Basic (USD per share)	$ 0.98	$ 1.81
Net income per common share - Diluted:
Net income per common share - Diluted (USD per share)	$ 1.07	$ 1.96