Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Consolidated Statements Of Operations [Abstract]
NET SALES	$ 125,410	$ 114,386	$ 251,942	$ 223,052
COST OF GOODS SOLD	(97,726)	(87,292)	(196,389)	(170,439)
GROSS MARGIN	27,684	27,094	55,553	52,613
SELLING, GENERAL AND ADMINISTRATIVE	(19,500)	(19,592)	(37,990)	(37,982)
LITIGATION SETTLEMENT COSTS	250		250
OPERATING INCOME (LOSS)	8,434	7,502	17,813	14,631
OTHER INCOME (EXPENSE):
Total	92	52	6	671
Interest and other income	116	86	67	707
Interest expense	(24)	(34)	(61)	(36)
INCOME (LOSS) BEFORE INCOME TAXES	8,526	7,554	17,819	15,302
INCOME TAX (PROVISION) BENEFIT	(3,160)	(2,870)	(6,690)	(5,740)
NET INCOME (LOSS)	$ 5,366	$ 4,684	$ 11,129	$ 9,562
WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING:
Basic	7,575	7,417	7,541	7,395
Diluted	7,821	7,694	7,774	7,672
EARNINGS (LOSS) PER SHARE OF COMMON STOCK:
Basic	$ 0.71	$ 0.63	$ 1.48	$ 1.29
Diluted	0.69	0.61	1.43	1.25
CASH DIVIDENDS DECLARED PER COMMON SHARE	$ 0.18	$ 0.18	$ 0.36	$ 0.36