CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash provided by operating activities:
Net income including noncontrolling interests	$ 6,208	$ 19,659
Adjustments to reconcile net income to cash provided by operating activities from continuing operations:
Depreciation and amortization	4,187	4,292
Deferred income taxes	(3,494)
Provision for doubtful accounts	(67)	(360)
Compensation cost related to share-based payment arrangements	4,235	3,332
Excess tax benefits from share-based payment arrangements		(445)
Other	569	314
Changes in operating accounts:
Receivables	(768)	8,031
Inventories	(2,813)	742
Prepaid expenses, prepaid taxes and other current assets	(2,800)	(425)
Net billings in excess of revenue recognized on uncompleted contracts	4,914	562
Accounts payable, accrued expenses and taxes payable	(4,788)	(4,601)
Net cash provided by operating activities from continuing operations	5,383	31,101
Net cash used for operating activities from discontinued operations		(281)
Cash used for investing activities:
Additions to property, plant and equipment	(4,288)	(2,515)
Purchase of marketable securities		(999)
Additions to intangibles	(236)	(209)
Investments and acquisitions	(3,155)
Proceeds from the sale and maturity of marketable securities	134	2,127
Net cash used for investing activities	(7,545)	(1,596)
Cash provided by (used for) financing activities:
Dividend payments to noncontrolling interest	(1,742)	(2,192)
Employee stock purchase	40
Excess tax benefits from share-based payment arrangements		445
Repurchase of restricted stock	(1,176)	(401)
Exercise of employee stock options	1,066	2,882
Net cash provided by (used for) financing activities	(1,812)	734
Effect of exchange rate changes on cash and cash equivalents	(178)	(697)
Net increase (decrease) in cash and cash equivalents	(4,152)	29,261
Cash and cash equivalents, beginning of period	84,053	60,039
Cash and cash equivalents, end of period	$ 79,901	$ 89,300