Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Jun. 30, 2011
Assets
Cash and cash equivalents	$ 104,955	$ 162,875
Accounts receivable, net of allowance for doubtful accounts of $45 and $17 at December 31, 2011 and June 30, 2011, respectively	46,807	44,786
Unbilled receivables and cost in excess of billings	8,495	1,059
Inventory	22,760	18,540
Deferred income taxes	8,745	7,678
Prepaid income taxes	1,955	1,075
Prepaid expenses and other current assets	5,262	4,171
Total current assets	198,979	240,184
Restricted cash	3,281	3,000
Property and equipment, net	14,452	14,520
Goodwill	132,471	79,558
Acquired intangible assets, net	27,545	16,702
Other non-current assets	928	1,598
Total assets	377,656	355,562
Liabilities and Shareholders' Equity
Accounts payable	7,168	7,972
Accrued expenses	8,883	5,607
Accrued compensation	11,996	16,288
Income taxes payable	1,574	201
Deferred revenues and customer advances	9,595	6,138
Total current liabilities	39,216	36,206
Deferred gain on sale-leaseback	4,978	5,556
Deferred income taxes	7,978	3,877
Income taxes payable	1,777	1,777
Other non-current liabilities	5,496	6,710
Total liabilities	59,445	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; 29,542,989 and 29,143,738 shares issued and outstanding at December 31, 2011 and June 30, 2011, respectively	295	291
Additional paid-in capital	218,812	213,777
Retained earnings	97,811	86,113
Accumulated other comprehensive income	1,293	1,255
Total shareholders' equity	318,211	301,436
Total liabilities and shareholders' equity	$ 377,656	$ 355,562