Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Jun. 30, 2014
Current assets:
Cash and cash equivalents	$ 66,520	$ 47,287
Accounts receivable, net of allowance for doubtful accounts of $57 and $34 at March 31, 2015 and June 30, 2014, respectively	47,552	37,625
Unbilled receivables and costs in excess of billings	20,475	22,036
Inventory	32,526	31,655
Deferred income taxes	13,044	15,216
Prepaid income taxes	3,981	1,481
Prepaid expenses and other current assets	3,661	3,631
Disposal Group, Including Discontinued Operation, Assets, Current	0	1,374
Total current assets	187,759	160,305
Restricted cash	264	265
Property and equipment, net	12,391	14,144
Goodwill	168,146	168,146
Intangible assets, net	19,739	25,006
Other non-current assets	941	987
Disposal Group, Including Discontinued Operation, Assets, Noncurrent	0	4,859
Total assets	389,240	373,712
Current liabilities:
Accounts payable	14,387	7,054
Accrued expenses	9,190	8,377
Accrued compensation	9,062	9,983
Deferred revenues and customer advances	8,094	5,898
Disposal Group, Including Discontinued Operation, Liabilities, Current	0	1,618
Total current liabilities	40,733	32,930
Deferred gain on sale-leaseback	1,218	2,086
Deferred income taxes	3,174	5,911
Income taxes payable	2,255	3,154
Other non-current liabilities	1,195	1,666
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent	0	818
Total liabilities	48,575	46,565
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; 32,361,497 and 31,284,273 shares issued and outstanding at March 31, 2015 and June 30, 2014, respectively	324	312
Additional paid-in capital	251,000	241,725
Retained earnings	88,538	84,099
Accumulated other comprehensive income	803	1,011
Total shareholders' equity	340,665	327,147
Total liabilities and shareholders' equity	$ 389,240	$ 373,712