Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
OPERATING ACTIVITIES:
Net income (loss)	$ 11,129	$ 9,562
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	3,590	2,201
Deferred income taxes	1,805	(184)
Stock-based compensation expense	728	1,185
Excess tax benefit from stock-based payment arrangements	(687)	41
Provision for losses on accounts receivable	(50)	8
Gain on disposition of capital assets	12	(21)
Gain on sale of investments	(346)
Changes in operating assets and liabilities:
Trade receivables	(4,628)	(4,976)
Inventories	2,645	(11,460)
Other current assets	$ (3,809)	(3,046)
Other assets		(452)
Accounts payable - trade	$ (2,117)	2,781
Accrued liabilities	301	(1,416)
Other long-term liabilities	695	310
Supplemental retirement plans	(17)	(135)
Net cash provided by operating activities	9,251	(5,602)
INVESTING ACTIVITIES:
Purchases of investments	(1,294)	(1,546)
Proceeds from sales of investments	1,097	1,309
Proceeds from sale of capital assets	20	26
Capital expenditures	(5,848)	(30,242)
Net cash (used in) provided by investing activities	(3,189)	(30,453)
Proceeds from Life Insurance Policies	2,836
FINANCING ACTIVITIES:
Proceeds from short-term borrowings, net	(5,959)	6,481
Dividends paid	(2,707)	(2,438)
Proceeds from issuance of common stock	1,128	518
Excess tax benefit from stock-based payment arrangements	687	(41)
Net cash used in financing activities	(7,015)	14,034
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Excluding Stock Options	$ (164)
Proceeds from long-term debt, net		9,514
Increase (decrease) in cash and cash equivalents	$ (953)	(22,021)
Cash and cash equivalents at beginning of year	1,282	1,282
Cash and cash equivalents at end of year	329	155
SUPPLEMENTAL INFORMATION CASH PAID DURING THE PERIOD FOR:
Interest	61	29
Income taxes paid (refunded)	5,728	6,735
Capital Expenditures Incurred but Not yet Paid	$ 110	$ 56