CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Cash provided by operating activities:
Net earnings (loss) including noncontrolling interests	$ 45,071	$ 20,683	$ (5,337)
Adjustments to reconcile net earnings (loss) to cash provided by operating activities:
(Earnings) loss from discontinued operations		(91)	2,669
Depreciation and amortization	5,720	6,431	6,125
Gain on acquisition		(1,296)
Deferred income taxes	(18,900)	(780)	(789)
Impairment and disposal of property, plant and equipment	22	549	67
Impairment and disposal of intangible assets	47	4	2,003
Inventory valuation adjustment			543
Provision for doubtful accounts	(458)	(298)	(586)
Dividend declared to noncontrolling interest	(641)
Compensation cost related to share-based payment arrangements	4,128	3,965	2,492
Excess tax benefits from share-based payment arrangements		(173)	(33)
Other	318	(677)	(379)
Changes in operating accounts, excluding the effect of acquisition:
Receivables	(123)	(10,381)	1,446
Inventories	682	(125)	5,314
Prepaid expenses and other current assets	(4,131)	1,494	1,247
Revenue recognized in excess of billings on uncompleted contracts	(2,371)
Accounts payable, accrued expenses and taxes payable	2,779	1,340	270
Net cash provided by operating activities from continuing operations	32,143	20,645	15,052
Net cash used for operating activities from discontinued operations	(281)	(263)	(1,542)
Cash provided by (used for) investing activities:
Purchases of property, plant and equipment	(8,542)	(1,522)	(1,441)
Purchase of marketable securities	(999)	(1,998)	(2,288)
Additions to intangibles and other assets	(259)	(906)	(505)
Investments and acquisitions, excluding cash acquired		(7,142)	11
Proceeds from the sale and maturity of marketable securities	2,173	2,136	5,000
Proceeds from the sale of property, plant and equipment	63	63	291
Net cash provided by (used for) investing activities	(7,564)	(9,369)	1,068
Cash provided by financing activities:
Dividend payments to noncontrolling interests	(2,188)	(823)
Excess tax benefits from share-based payment arrangements		173	33
Restricted stock vesting and related tax benefits	(424)	(330)	(407)
Exercise of employee stock options	3,566	1,678	486
Net cash provided by financing activities	954	698	112
Effect of exchange rate changes on cash and cash equivalents	(1,238)	1,792	(877)
Net increase in cash and cash equivalents	24,014	13,503	13,813
Cash and cash equivalents, beginning of year	60,039	46,536	32,723
Cash and cash equivalents, end of year	$ 84,053	$ 60,039	$ 46,536