CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jul. 01, 2016	Jun. 30, 2017	Jul. 01, 2016
Net sales	$ 155,274	$ 139,300	$ 398,810	$ 358,790
Cost of sales	84,644	80,017	226,702	211,213
Gross profit	70,630	59,283	172,108	147,577
Operating expenses:
Marketing and selling	29,438	26,701	79,056	72,476
Administrative management, finance and information systems	11,584	7,679	33,146	27,724
Goodwill and other intangible assets impairment	0	6,197	0	6,197
Research and development	4,871	5,123	14,239	13,359
Total operating expenses	45,893	45,700	126,441	119,756
Operating profit	24,737	13,583	45,667	27,821
Interest income	(52)	(4)	(84)	(22)
Interest expense	77	93	687	580
Other (income) expense, net	(848)	(371)	(2,288)	(752)
Profit before income taxes	25,560	13,865	47,352	28,015
Income tax expense	9,007	7,024	12,784	12,387
Net income	$ 16,553	$ 6,841	$ 34,568	$ 15,628
Weighted avage common shares - Basic:
Participating securities (shares)	28	8	26	10
Weighted average common shares - Dilutive (shares)	9,928	9,861	9,908	9,842
Class A
Weighted avage common shares - Basic:
Weighted average common shares - Basic (shares)	8,688	8,641	8,670	8,620
Net income per common share - Basic:
Net income per common share - Basic (USD per share)	$ 1.68	$ 0.69	$ 3.50	$ 1.58
Net income per common share - Diluted:
Net income per common share - Diluted (USD per share)	1.65	0.68	3.45	1.56
Dividends declared per common share:
Dividends declared per common share (USD per share)	$ 0.09	$ 0.08	$ 0.27	$ 0.24
Class B
Weighted avage common shares - Basic:
Weighted average common shares - Basic (shares)	1,212	1,212	1,212	1,212
Net income per common share - Basic:
Net income per common share - Basic (USD per share)	$ 1.52	$ 0.63	$ 3.18	$ 1.43
Net income per common share - Diluted:
Net income per common share - Diluted (USD per share)	1.65	0.68	3.45	1.56
Dividends declared per common share:
Dividends declared per common share (USD per share)	$ 0.08	$ 0.07	$ 0.25	$ 0.22