Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
Current assets:
Cash and cash equivalents	$ 115,964	$ 162,875
Accounts receivable, net of allowance for doubtful accounts of $5 and $17 at June 30, 2012 and 2011, respectively	38,532	44,786
Unbilled receivables and cost in excess of billings	10,918	1,059
Inventory	25,845	18,540
Deferred income taxes	7,653	7,678
Prepaid income taxes	2,585	1,075
Prepaid expenses and other current assets	6,206	4,171
Total current assets	207,703	240,184
Restricted cash	3,281	3,000
Property and equipment, net	15,929	14,520
Goodwill	132,621	79,558
Acquired intangible assets, net	25,083	16,702
Other non-current assets	989	1,598
Total assets	385,606	355,562
Current liabilities:
Accounts payable	9,002	7,972
Accrued expenses	9,895	5,808
Accrued compensation	13,190	16,288
Deferred revenues and customer advances	4,855	6,138
Total current liabilities	36,942	36,206
Deferred gain on sale-leaseback	4,399	5,556
Deferred income taxes	7,197	3,877
Income taxes payable	2,597	1,777
Other non-current liabilities	1,367	6,710
Total liabilities	52,502	54,126
Commitments and contingencies (Note L)
Shareholders' equity:
Preferred stock, $.01 par value; 1,000,000 shares authorized; no shares issued or outstanding
Common stock, $.01 par value; 85,000,000 shares authorized; 29,729,065 and 29,143,738 shares issued and outstanding at June 30, 2012 and 2011 respectively	297	291
Additional paid-in capital	222,769	213,777
Retained earnings	108,732	86,113
Accumulated other comprehensive income	1,306	1,255
Total shareholders' equity	333,104	301,436
Total liabilities and shareholders' equity	$ 385,606	$ 355,562