CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash provided by operating activities:
Net income including noncontrolling interests	$ 8,412	$ 4,472
Adjustments to reconcile net income to cash provided by operating activities from continuing operations:
Depreciation and amortization	4,462	4,187
Deferred income taxes	693	(1,942)
Provision for doubtful accounts	11	(67)
Compensation cost related to share-based payment arrangements	3,958	4,235
Other	20	569
Changes in operating accounts:
Receivables	3,391	(768)
Inventories	(4,957)	(2,813)
Prepaid expenses, prepaid taxes and other current assets	492	(2,800)
Net billings in excess of revenue recognized on uncompleted contracts	(984)	4,914
Accounts payable, accrued expenses and taxes payable	5,497	(4,604)
Net cash provided by operating activities from continuing operations	20,995	5,383
Cash used for investing activities:
Additions to property, plant and equipment	(6,452)	(4,288)
Additions to intangibles	(206)	(236)
Investments and acquisitions		(3,155)
Proceeds from the sale and maturity of marketable securities	171	134
Net cash used for investing activities	(6,487)	(7,545)
Cash used for financing activities:
Dividend payments to noncontrolling interest	(458)	(1,742)
Employee stock purchase	83	40
Repurchase of restricted stock	(1,860)	(1,176)
Exercise of employee stock options	1,294	1,066
Net cash used for financing activities	(941)	(1,812)
Effect of exchange rate changes on cash and cash equivalents	433	(178)
Net increase (decrease) in cash and cash equivalents	14,000	(4,152)
Cash and cash equivalents, beginning of period	83,056	84,053
Cash and cash equivalents, end of period	97,056	79,901
Supplemental Cash Flow Information:
Net cash paid for income taxes	2,248	4,819
Purchases of property, plant and equipment included in accounts payable	$ 110	$ 187