Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Consolidated Statements Of Operations [Abstract]
NET SALES	$ 468,764	$ 500,106	$ 466,904
COST OF GOODS SOLD	(360,113)	(386,407)	(357,044)
GROSS MARGIN	108,651	113,699	109,860
SELLING, GENERAL AND ADMINISTRATIVE	(72,562)	(77,911)	(75,688)
Litigation Settlement Reimbursements	1,175	2,280	250
OPERATING INCOME (LOSS)	37,264	38,068	34,422
Interest and other income	322	(72)	1,267
Interest expense		(69)	(130)
INCOME BEFORE INCOME TAXES	37,586	37,927	35,559
INCOME TAX PROVISION	(13,800)	(13,690)	(13,260)
NET INCOME (LOSS)	$ 23,786	$ 24,237	$ 22,299
WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING:
Basic	7,782	7,595	7,423
Diluted	7,886	7,765	7,708
EARNINGS (LOSS) PER SHARE OF COMMON STOCK:
Basic	$ 3.06	$ 3.19	$ 3.00
Diluted	$ 3.02	$ 3.12	$ 2.89