Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net (loss) income	$ (11,425)	$ (13,208)	$ 22,619
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities:
Depreciation and amortization expense	15,608	17,209	11,658
Stock-based compensation expense	9,244	7,940	6,616
Deferred income taxes	(5,499)	(10,083)	(3,056)
Impairment of goodwill of discontinued operations	6,687	0	0
Excess tax benefit from stock-based compensation	(21)	(19)	(559)
Change in the fair value of the liability related to the LNX earn-out	0	0	(4,938)
Loss on sale of building	0	1,091	0
Other non-cash items	(619)	(757)	(555)
Changes in operating assets and liabilities, net of effects of businesses acquired:
Accounts receivable, unbilled receivable, and cost in excess of billings	(12,428)	4,760	6,755
Inventory	5,818	453	(7,267)
Prepaid income taxes	887	3,197	3,514
Prepaid expenses and other current assets	3,728	(807)	(816)
Other non-current assets	1,006	1,055	646
Accounts payable and accrued expenses	1,163	(13,094)	(1,092)
Deferred revenues and customer advances	129	516	(1,850)
Income taxes payable	274	(422)	820
Other non-current liabilities	(311)	298	(626)
Net cash provided by (used in) operating activities	14,241	(1,871)	31,869
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	0	(67,721)	(71,044)
Purchases of property and equipment	(6,701)	(3,880)	(9,427)
Proceeds from sale of building	0	775	0
Increase in other	(19)	(265)	(331)
Net cash used in investing activities	(6,720)	(71,091)	(80,802)
Cash flows from financing activities:
Proceeds from employee stock plans	1,484	1,251	1,631
Excess tax benefit from stock-based compensation	21	19	559
Payments of acquired debt	0	(6,575)	0
Payments of deferred financing costs	0	(771)	(30)
Decrease in restricted cash	0	3,000	0
Payments of capital lease obligations	(763)	(593)	(185)
Net cash provided by (used in) financing activities	742	(3,669)	1,975
Effect of exchange rate changes on cash and cash equivalents	(102)	(207)	47
Net increase (decrease) in cash and cash equivalents	8,161	(76,838)	(46,911)
Cash and cash equivalents at beginning of year	39,126	115,964	162,875
Cash and cash equivalents at end of year	47,287	39,126	115,964
Cash paid during the period for:
Interest	49	39	40
Income taxes	3,192	(3,313)	8,686
Supplemental disclosures-non-cash activities:
Issuance of restricted stock awards to employees	8,904	12,560	8,367
Share-based business combination consideration	0	513	0
Capital lease financings	$ 494	$ 249	$ 41