Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
OPERATING ACTIVITIES:
Net income (loss)	$ 17,765	$ 18,073
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	6,038	5,528
Deferred income taxes	953	1,764
Stock-based compensation expense	1,364	1,024
Excess tax benefit from stock-based payment arrangements	(1,401)	(1,193)
Provision for losses on accounts receivable		15
Gain on disposition of capital assets	(147)	15
Gain on sale of investments		(346)
Changes in operating assets and liabilities:
Trade receivables	974	(238)
Inventories	(6,794)	16,523
Other current assets	(712)	(5,875)
Other assets	464	22
Accounts payable - trade	3,882	(4,651)
Accrued liabilities	1,856	926
Other long-term liabilities	(554)	504
Net cash provided by (used in) operating activities	23,688	32,091
INVESTING ACTIVITIES:
Purchases of investments	(12,580)	(2,304)
Proceeds from sales of investments	2,485	2,107
Proceeds from sale of capital assets	147	27
Proceeds from life insurance policies		2,836
Capital expenditures	(9,764)	(7,116)
Net cash (used in) provided by investing activities	(19,712)	(4,450)
FINANCING ACTIVITIES:
Dividends paid	(4,499)	(4,077)
Repayments of short-term debt		(11,904)
Proceeds from Issuance of Common Stock	1,071	1,403
Proceeds from issuance of shares under incentive and share-based compensation plans, excluding stock options	(1,131)	(164)
Excess tax benefit from stock-based payment arrangements	1,401	1,193
Net cash (used in) provided by financing activities	(3,158)	(13,549)
Increase (decrease) in cash and cash equivalents	818	14,092
Cash and cash equivalents at beginning of year	36,780	1,282
Cash and cash equivalents at end of year	37,598	15,374
SUPPLEMENTAL INFORMATION CASH PAID DURING THE PERIOD FOR:
Income taxes paid (refunded)	5,795	7,460
Capital expenditures in accounts payable	1,133	4
Interest		$ 69