Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Consolidated Statements Of Operations [Abstract]
NET SALES	$ 466,904	$ 438,543	$ 386,189
COST OF GOODS SOLD	(357,044)	(338,280)	(295,720)
GROSS MARGIN	109,860	100,263	90,469
SELLING, GENERAL AND ADMINISTRATIVE	(75,688)	(71,727)	(70,198)
LITIGATION SETTLEMENT COSTS	250	(6,250)
OPERATING INCOME (LOSS)	34,422	22,286	20,271
Interest and other income	1,267	1,514	610
Interest expense	(130)
INCOME BEFORE INCOME TAXES	35,559	23,800	20,881
INCOME TAX PROVISION	(13,260)	(8,810)	(7,730)
NET INCOME (LOSS)	$ 22,299	$ 14,990	$ 13,151
WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING:
Basic	7,423	7,231	7,041
Diluted	7,708	7,511	7,326
EARNINGS (LOSS) PER SHARE OF COMMON STOCK:
Basic	$ 3.00	$ 2.07	$ 1.87
Diluted	2.89	2.00	1.80
CASH DIVIDENDS DECLARED PER COMMON SHARE	$ 0.72	$ 0.60	$ 0.60