Consolidated Statements Of Operations (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Consolidated Statements Of Operations [Abstract]
NET SALES	$ 108,666,000	$ 104,348,000
COST OF GOODS SOLD	(83,146,000)	(80,703,000)
GROSS MARGIN	25,520,000	23,645,000
SELLING, GENERAL AND ADMINISTRATIVE	(18,391,000)	(18,209,000)
OPERATING INCOME (LOSS)	7,129,000	5,436,000
OTHER INCOME (EXPENSE):
Interest and other income	619,000	502,000
INCOME (LOSS) BEFORE INCOME TAXES	7,748,000	5,938,000
INCOME TAX (PROVISION) BENEFIT	(2,870,000)	(2,170,000)
NET INCOME (LOSS)	$ 4,878,000	$ 3,768,000
WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING:
Basic	7,371	7,125
Diluted	7,667	7,432
EARNINGS (LOSS) PER SHARE OF COMMON STOCK:
Basic	$ 0.66	$ 0.53
Diluted	$ 0.64	$ 0.51
CASH DIVIDENDS DECLARED PER COMMON SHARE	$ 0.18	$ 0.15