CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 29, 2017	Dec. 30, 2016
Net sales	$ 116,579	$ 93,729
Cost of sales	67,768	57,164
Gross profit	48,811	36,565
Operating expenses:
Marketing and selling	26,495	20,822
Administrative management, finance and information systems	10,407	10,561
Research and development	4,872	4,710
Total operating expenses	41,774	36,093
Operating profit	7,037	472
Interest income	(202)	(23)
Interest expense	72	486
Other (income) expense, net	(1,157)	54
Profit (loss) before income taxes	8,324	(45)
Income tax expense (benefit)	8,089	(4,101)
Net income	$ 235	$ 4,056
Weighted avage common shares - Basic:
Participating securities (shares)	46	29
Weighted average common shares - Dilutive (shares)	9,962	9,874
Class A
Weighted avage common shares - Basic:
Weighted average common shares - Basic (shares)	8,704	8,633
Net income per common share - Basic:
Net income per common share - Basic (USD per share)	$ 0.02	$ 0.41
Net income per common share - Diluted:
Net income per common share - Diluted (USD per share)	0.02	0.40
Dividends declared per common share:
Dividends declared per common share (USD per share)	$ 0.10	$ 0.09
Class B
Weighted avage common shares - Basic:
Weighted average common shares - Basic (shares)	1,212	1,212
Net income per common share - Basic:
Net income per common share - Basic (USD per share)	$ 0.02	$ 0.37
Net income per common share - Diluted:
Net income per common share - Diluted (USD per share)	0.02	0.40
Dividends declared per common share:
Dividends declared per common share (USD per share)	$ 0.09	$ 0.08