Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Jun. 30, 2011
Assets
Cash and cash equivalents	$ 114,845	$ 162,875
Accounts receivable, net of allowance for doubtful accounts of $45 and $17 at March 31, 2012 and June 30, 2011, respectively	38,190	44,786
Unbilled receivables and cost in excess of billings	11,672	1,059
Inventory	21,802	18,540
Deferred income taxes	8,132	7,678
Prepaid income taxes	1,668	1,075
Prepaid expenses and other current assets	4,894	4,171
Total current assets	201,203	240,184
Restricted cash	3,281	3,000
Property and equipment, net	15,351	14,520
Goodwill	132,325	79,558
Acquired intangible assets, net	26,231	16,702
Other non-current assets	955	1,598
Total assets	379,346	355,562
Liabilities and Shareholders' Equity
Accounts payable	8,204	7,972
Accrued expenses	12,272	5,808
Accrued compensation	12,149	16,288
Deferred revenues and customer advances	4,870	6,138
Total current liabilities	37,495	36,206
Deferred gain on sale-leaseback	4,689	5,556
Deferred income taxes	9,400	3,877
Income taxes payable	1,912	1,777
Other non-current liabilities	754	6,710
Total liabilities	54,250	54,126
Commitments and contingencies (Note H)
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; 29,586,674 and 29,143,738 shares issued and outstanding at March 31, 2012 and June 30, 2011, respectively	296	291
Additional paid-in capital	220,463	213,777
Retained earnings	103,056	86,113
Accumulated other comprehensive income	1,281	1,255
Total shareholders' equity	325,096	301,436
Total liabilities and shareholders' equity	$ 379,346	$ 355,562