Condensed Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2011
Cash Flows From Operating Activities
Net income (loss)	$ (123,000)		$ 3,224,000		$ 10,828,000
Non-cash items included in net income (loss)
Depreciation and amortization	7,197,000		7,805,000		7,877,000
Goodwill and intangible asset impairment	2,413,000	[1]	258,000	[1]		[1]
Deferred income taxes	263,000		309,000		1,003,000
Deferred compensation plan	169,000		124,000		126,000
Stock option expense	842,401		410,000		851,000
Issuance of common shares as compensation	57,000		48,000		41,000
Loss on disposition of fixed assets	7,000		18,000		15,000
Allowance for doubtful accounts	(39,000)		(445,000)		427,000
Inventory obsolescence reserve	931,000		343,000		276,000
Change in certain assets and liabilities, net of acquisitions
Accounts and notes receivable	(1,540,000)		1,010,000		(10,147,000)
Inventories	(1,748,000)		8,894,000		(10,492,000)
Refundable income taxes	(1,208,000)		1,568,000		(649,000)
Accounts payable	917,000		1,722,000		(2,985,000)
Accrued expenses and other	747,000		(1,299,000)		645,000
Customer prepayments	(35,000)		371,000		(1,622,000)
Net cash flows provided by (used in) operating activities	8,850,000		24,360,000		(3,806,000)
Cash Flows From Investing Activities
Purchases of property, plant, and equipment	(7,571,000)		(3,436,000)		(4,731,000)
Proceeds from sale of fixed assets	38,000		3,000		55,000
Acquisition of businesses, net of cash received			(2,973,000)
Net cash flows (used in) investing activities	(7,533,000)		(6,406,000)		(4,676,000)
Cash Flows From Financing Activities
Payment of long-term debt			(1,099,000)		(33,000)
Cash dividends paid	(8,648,000)		(5,529,000)		(4,809,000)
Purchase of treasury shares	(175,000)		(154,000)		(118,000)
Issuance of treasury shares	25,000		13,000		22,000
Exercise of stock options	175,023		14,235		58,800
Net cash flows (used in) financing activities	(8,623,000)		(6,755,000)		(4,879,000)
Increase (decrease) in cash and cash equivalents	(7,306,000)		11,199,000		(13,361,000)
Cash and cash equivalents at beginning of year	15,255,000		4,056,000		17,417,000
Cash and cash equivalents at end of year	$ 7,949,000		$ 15,255,000		$ 4,056,000

[1] The Company recorded a significant impairment of goodwill and intangible assets in fiscal 2009 and fiscal 2013, and minor impairments in fiscal 2012 and 2010. See Note 6.