Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net income	$ 11,279	$ 4,439
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	9,878	10,446
Stock-based compensation expense	7,244	6,765
Benefit for deferred income taxes	(1,257)	(817)
Impairment of goodwill and long-lived assets	231	2,283
Excess tax benefit from stock-based compensation	(1,384)	(834)
Loss on sale of discontinued operations	0	(892)
Other non-cash items	(614)	(234)
Changes in operating assets and liabilities, net of effects of businesses acquired:
Accounts receivable, unbilled receivable, and cost in excess of billings	(14,850)	(8,373)
Inventory	(2,351)	(969)
Prepaid income taxes	1,836	(2,499)
Prepaid expenses and other current assets	4,024	49
Other non-current assets	(1,008)	428
Accounts payable and accrued expenses	8,965	7,019
Deferred revenues and customer advances	(2,230)	1,853
Income taxes payable	2,107	(898)
Other non-current liabilities	(62)	(30)
Net cash provided by operating activities	21,808	19,520
Cash flows from investing activities:
Acquisition of business, net of cash acquired	9,756	0
Purchases of property and equipment	(4,908)	(3,467)
Proceeds from sale of discontinued operations	0	885
(Increase) decrease in other investing activities	(567)	1
Net cash used in investing activities	(15,231)	(2,581)
Cash flows from financing activities:
Proceeds from employee stock plans	2,804	2,048
Payments for retirement of common stock	(4,211)	0
Excess tax benefits from stock-based compensation	1,384	834
Payments of capital lease obligations	0	(481)
Net cash (used in) provided by financing activities	(23)	2,401
Effect of exchange rate changes on cash and cash equivalents	105	(107)
Net increase in cash and cash equivalents	6,659	19,233
Cash and cash equivalents at beginning of period	77,586	47,287
Cash and cash equivalents at end of period	84,245	66,520
Cash paid (received) during the period for:
Interest	10	23
Income taxes	1,717	5,749
Supplemental disclosures-non-cash activities:
Issuance of restricted stock awards to employees	$ 8,241	$ 9,514