Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net income	$ 3,819	$ 2,856
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	7,320	3,301
Stock-based compensation expense	3,632	2,702
Benefit for deferred income taxes	(2,606)	(412)
Non-cash interest expense	471	0
Other non-cash items	(51)	(121)
Changes in operating assets and liabilities, net of effects of businesses acquired:
Accounts receivable, unbilled receivable, and cost in excess of billings	10,111	(12,781)
Inventory	(104)	(2,739)
Prepaid income taxes	597	706
Prepaid expenses and other current assets	(1,553)	3,378
Other non-current assets	(86)	37
Accounts payable and accrued expenses	(7,377)	9,017
Deferred revenues and customer advances	(3,816)	659
Income taxes payable	(35)	0
Other non-current liabilities	(39)	(21)
Net cash provided by operating activities	10,283	6,582
Cash flows from investing activities:
Purchases of property and equipment	(6,050)	(1,867)
Increase in other investing activities	(111)	(185)
Net cash used in investing activities	(6,161)	(2,052)
Cash flows from financing activities:
Proceeds from employee stock plans	80	629
Payments for retirement of common stock	(6,128)	(3,708)
Payments of capital lease obligations	(2,500)	0
Net cash used in financing activities	(8,548)	(3,079)
Effect of exchange rate changes on cash and cash equivalents	49	36
Net (decrease) increase in cash and cash equivalents	(4,377)	1,487
Cash and cash equivalents at beginning of period	81,691	77,586
Cash and cash equivalents at end of period	77,314	79,073
Cash paid during the period for:
Interest	1,351	2
Income taxes	717	65
Supplemental disclosures-non-cash activities:
Issuance of restricted stock awards to employees	$ 15,002	$ 7,114