CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash provided by operating activities:
Net income including noncontrolling interests	$ 2,994	$ 6,976
Adjustments to reconcile net income to cash provided by operating activities from continuing operations:
Depreciation and amortization	1,400	1,452
Loss on disposal of assets		21
Deferred income taxes	(1,397)
Provision for doubtful accounts	(62)	(90)
Compensation cost related to share-based payment arrangements	1,230	1,229
Excess tax benefits from share-based payment arrangements		(2)
Other	(133)	38
Changes in operating accounts:
Receivables	1,880	(1,850)
Inventories	477	1,645
Prepaid expenses and other current assets	292	(128)
Revenue recognized in excess of billings on uncompleted contracts	(2,102)
Accounts payable, accrued expenses and taxes payable	(4,314)	(4,262)
Net cash provided by operating activities from continuing operations	265	5,029
Net cash used for operating activities from discontinued operations		(141)
Cash used for investing activities:
Additions to property, plant and equipment	(1,104)	(390)
Purchase of marketable securities		(999)
Additions to intangibles	(11)	(25)
Investments and acquisitions	(3,155)
Proceeds from the sale and maturity of marketable securities	43	1,047
Net cash used for investing activities	(4,227)	(367)
Cash used for financing activities:
Dividend payment to noncontrolling interest	(1,094)	(746)
Excess tax benefits from share-based payment arrangements		2
Repurchase of restricted stock	(1,062)	(295)
Exercise of employee stock options	704	111
Net cash used for financing activities	(1,452)	(928)
Effect of exchange rate changes on cash and cash equivalents	195	(696)
Net increase (decrease) in cash and cash equivalents	(5,219)	2,897
Cash and cash equivalents, beginning of period	84,053	60,039
Cash and cash equivalents, end of period	$ 78,834	$ 62,936