Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Jun. 30, 2012
Current assets:
Cash and cash equivalents	$ 35,145	$ 115,964
Accounts receivable, net of allowance for doubtful accounts of $29 and $5 at March 31, 2013 and June 30, 2012, respectively	29,470	38,532
Unbilled receivables and costs in excess of billings	17,997	10,918
Inventory	38,744	25,845
Deferred income taxes	13,016	7,653
Prepaid income taxes	3,014	2,585
Prepaid expenses and other current assets	4,919	6,206
Total current assets	142,305	207,703
Restricted cash	546	3,281
Property and equipment, net	16,631	15,929
Goodwill	178,398	132,621
Intangible assets, net	37,209	25,083
Other non-current assets	1,305	989
Total assets	376,394	385,606
Current liabilities:
Accounts payable	5,997	9,002
Accrued expenses	7,779	9,895
Accrued compensation	9,943	13,190
Deferred revenues and customer advances	4,898	4,855
Total current liabilities	28,617	36,942
Deferred gain on sale-leaseback	3,531	4,399
Deferred income taxes	12,011	7,197
Income taxes payable	2,597	2,597
Other non-current liabilities	1,216	1,367
Total liabilities	47,972	52,502
Commitments and contingencies (Note I)
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; 30,259,687 and 29,729,065 shares issued and outstanding at March 31, 2013 and June 30, 2012, respectively	303	297
Additional paid-in capital	229,550	222,769
Retained earnings	97,536	108,732
Accumulated other comprehensive income	1,033	1,306
Total shareholders' equity	328,422	333,104
Total liabilities and shareholders' equity	$ 376,394	$ 385,606