Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Consolidated Statements Of Operations [Abstract]
NET SALES	$ 386,189	$ 352,089	$ 339,426
COST OF GOODS SOLD	(295,720)	(266,810)	(262,124)
GROSS MARGIN	90,469	85,279	77,302
SELLING, GENERAL AND ADMINISTRATIVE	(70,198)	(65,033)	(60,422)
FACILITY CLOSING COSTS			(1,016)
OPERATING INCOME (LOSS)	20,271	20,246	15,864
OTHER INCOME (EXPENSE):
Interest and other income	610	422	343
INCOME (LOSS) BEFORE INCOME TAXES	20,881	20,668	16,207
INCOME TAX (PROVISION) BENEFIT	(7,730)	(7,600)	(5,790)
NET INCOME (LOSS)	$ 13,151	$ 13,068	$ 10,417
WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING:
Basic	7,041	6,781	6,693
Diluted	7,326	7,008	6,929
EARNINGS (LOSS) PER SHARE OF COMMON STOCK:
Basic	$ 1.87	$ 1.93	$ 1.56
Diluted	$ 1.80	$ 1.86	$ 1.50
CASH DIVIDENDS DECLARED PER COMMON SHARE	$ 0.60	$ 0.45	$ 0.30