CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net sales	$ 54,382	$ 55,625	$ 162,830	$ 162,034
Cost of sales	27,955	28,473	83,293	81,660
Gross profit	26,427	27,152	79,537	80,374
Operating expenses
Selling, general and administrative	19,061	19,762	58,404	57,625
Amortization of intangible assets	729	704	2,189	1,940
Income from operations	6,637	6,686	18,944	20,809
Interest and other expense, net	257	356	827	1,024
Income before provision for income taxes	6,380	6,330	18,117	19,785
Provision for income taxes	1,930	2,333	6,220	7,329
Net income	4,450	3,997	11,897	12,456
Other comprehensive income (loss)
Foreign currency translation adjustment, net of tax	112	1	(218)	49
Comprehensive income	$ 4,562	$ 3,998	$ 11,679	$ 12,505
Net income per common share
Basic (in dollars per share)	$ 0.47	$ 0.41	$ 1.24	$ 1.27
Diluted (in dollars per share)	$ 0.47	$ 0.41	$ 1.24	$ 1.27
Weighted average common shares outstanding
Basic (in shares)	9,561,008	9,798,393	9,612,171	9,826,516
Dilutive effect of stock options (in shares)	2,991	8,400	4,920	9,150
Diluted (in shares)	9,563,999	9,806,793	9,617,091	9,835,666