Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
OPERATING ACTIVITIES:
Net income (loss)	$ 22,299	$ 14,990	$ 13,151
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	4,945	4,197	3,803
Deferred income taxes	605	(138)	414
Stock-based compensation expense	1,943	1,290	1,051
Excess tax benefit from stock-based payment arrangements	(817)	(1,357)	(182)
Provision for losses on accounts receivable	30	6	(215)
Other non-cash, net	(28)	42	69
Gain on disposition of capital assets	(119)	(90)	(18)
Gain on life insurance policies	(745)
Proceeds from Life Insurance Policies	5,053
Changes in operating assets and liabilities:
Trade receivables	(6,596)	(2,467)	(2,260)
Inventories	(15,902)	(5,523)	(9,728)
Other current assets	(3,882)	(278)	58
Other assets	(1,024)	(163)	(307)
Accounts payable - trade	2,083	2,117	1,082
Accrued liabilities	201	2,986	(138)
Other long-term liabilities	(187)	265	(665)
Supplemental retirement plans	463	360	(210)
Net cash provided by operating activities	3,269	16,237	5,905
INVESTING ACTIVITIES:
Purchases of investments	(1,955)	(5,537)	(1,086)
Proceeds from sales of investments	1,611	5,209	1,273
Proceeds from sale of capital assets	155	98	21
Capital expenditures	(37,423)	(4,187)	(6,225)
Net cash (used in) provided by investing activities	(32,559)	(4,417)	(6,017)
FINANCING ACTIVITIES:
Proceeds from short-term borrowings, net	11,904
Dividends paid	(5,115)	(4,323)	(4,213)
Proceeds from issuance of common stock	790	2,388	1,107
Excess tax benefit from stock-based payment arrangements	817	1,357	182
Net cash used in financing activities	8,396	(578)	(2,924)
Increase (decrease) in cash and cash equivalents	(20,894)	11,242	(3,036)
Cash and cash equivalents at beginning of year	22,176	10,934	13,970
Cash and cash equivalents at end of year	1,282	22,176	10,934
SUPPLEMENTAL INFORMATION CASH PAID DURING THE PERIOD FOR:
Income taxes paid (refunded)	13,920	6,880	7,250
Capital Expenditures Incurred but Not yet Paid	$ 130	$ 35	$ 261