Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
OPERATING ACTIVITIES:
Net income (loss)	$ 4,878	$ 3,768
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	1,096	1,011
Deferred income taxes	86	(244)
Stock-based compensation expense	282	151
Excess tax benefit from stock-based payment arrangements	113	(46)
Provision for losses on accounts receivable	(19)	86
Gain on disposition of capital assets	(21)	(5)
Changes in operating assets and liabilities:
Trade receivables	(2,387)	(2,937)
Inventories	(8,220)	(4,714)
Other current assets	(1,165)	(413)
Other assets	(409)	17
Accounts payable - trade	9,565	2,445
Accrued liabilities	(618)	1,570
Other long-term liabilities	(254)	137
Supplemental retirement plans	227	417
Net cash provided by operating activities	3,154	1,243
INVESTING ACTIVITIES:
Purchases of investments	(1,318)	(574)
Proceeds from sales of investments	1,228	250
Proceeds from sale of capital assets	26	11
Capital expenditures	(25,841)	(679)
Net cash (used in) provided by investing activities	(25,905)	(992)
FINANCING ACTIVITIES:
(Repayments of) proceeds from short-term borrowings, net	11,996
Dividends paid	(1,106)	(1,066)
Proceeds from issuance of common stock	105	460
Excess tax benefit from stock-based payment arrangements	(113)	46
Net cash used in financing activities	10,882	(560)
Increase (decrease) in cash and cash equivalents	(11,869)	(309)
Cash and cash equivalents at beginning of year	22,176	10,934
Cash and cash equivalents at end of year	10,307	10,625
SUPPLEMENTAL INFORMATION CASH PAID DURING THE PERIOD FOR:
Income taxes paid (refunded)	1,510	278
Capital Expenditures Incurred but Not yet Paid	$ 131	$ 151