Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Jun. 30, 2015
Current assets:
Cash and cash equivalents	$ 84,245	$ 77,586
Accounts receivable, net of allowance for doubtful accounts of $102 and $56 at March 31, 2016 and June 30, 2015, respectively	39,314	31,765
Unbilled receivables and costs in excess of billings	29,376	22,021
Inventory	34,348	31,960
Deferred income taxes	12,788	12,407
Prepaid income taxes	1,912	3,747
Prepaid expenses and other current assets	4,652	8,678
Total current assets	206,635	188,164
Restricted cash	264	264
Property and equipment, net	13,512	13,226
Estimated fair value of goodwill	173,741	168,146
Intangible assets, net	17,235	17,998
Other non-current assets	3,369	2,190
Total assets	414,756	389,988
Current liabilities:
Accounts payable	12,412	6,928
Accrued expenses	12,534	9,005
Accrued compensation	11,880	9,875
Deferred revenues and customer advances	5,166	7,477
Total current liabilities	41,992	33,285
Deferred gain on sale-leaseback	61	929
Deferred income taxes	2,391	3,108
Income taxes payable	1,513	1,459
Other non-current liabilities	1,056	1,069
Total liabilities	$ 47,013	$ 39,850
Commitments and contingencies (Note I)
Shareholders' equity:
Preferred stock, $0.01 par value; 1,000,000 shares authorized; no shares issued or outstanding	$ 0	$ 0
Common stock, $0.01 par value; 85,000,000 shares authorized; 33,281,436 and 32,570,959 shares issued and outstanding at March 31, 2016 and June 30, 2015, respectively	333	326
Additional paid-in capital	260,805	254,568
Retained earnings	105,747	94,468
Accumulated other comprehensive income	858	776
Total shareholders' equity	367,743	350,138
Total liabilities and shareholders' equity	$ 414,756	$ 389,988