CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Cash provided by operating activities:
Net income including noncontrolling interests	$ 4,676	$ 13,733
Adjustments to reconcile net income to cash provided by operating activities from continuing operations:
Depreciation and amortization	2,783	2,921
Deferred income taxes	(2,105)
Provision for doubtful accounts	(110)	(280)
Compensation cost related to share-based payment arrangements	2,756	2,318
Excess tax benefits from share-based payment arrangements		(298)
Other	132	102
Changes in operating accounts:
Receivables	2,890	4,065
Inventories	(1,906)	3,677
Prepaid expenses, prepaid taxes and other current assets	(3,012)	113
Revenue recognized in excess of billings on uncompleted contracts	(2,994)
Accounts payable, accrued expenses and taxes payable	(1,575)	(1,926)
Net cash provided by operating activities from continuing operations	1,535	24,425
Net cash used for operating activities from discontinued operations		(141)
Cash used for investing activities:
Additions to property, plant and equipment	(3,510)	(1,677)
Purchase of marketable securities		(999)
Additions to intangibles	(76)	(89)
Investments and acquisitions	(3,155)
Proceeds from the sale and maturity of marketable securities	88	1,086
Net cash used for investing activities	(6,653)	(1,679)
Cash provided by (used for) financing activities:
Dividend payments to noncontrolling interest	(1,742)	(746)
Employee stock purchase	15
Excess tax benefits from share-based payment arrangements		298
Repurchase of restricted stock	(1,078)	(301)
Exercise of employee stock options	868	1,221
Net cash provided by (used for) financing activities	(1,937)	472
Effect of exchange rate changes on cash and cash equivalents	349	(932)
Net increase (decrease) in cash and cash equivalents	(6,706)	22,145
Cash and cash equivalents, beginning of period	84,053	60,039
Cash and cash equivalents, end of period	$ 77,347	$ 82,184