Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 05, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 61,691	$ 55,694
Short-term investments	223,464	90,456
Accounts receivable, less reserves of $752 and $820 in 2015 and 2014, respectively	44,728	40,053
Unbilled revenue	51,648	0
Inventories	39,400	29,223
Deferred income taxes	9,248	8,985
Prepaid expenses and other current assets	20,997	17,686
Held for sale assets	38,927	29,814
Total current assets	490,103	271,911
Long-term investments	233,752	400,845
Property, plant, and equipment, net	49,905	45,963
Deferred income taxes	16,649	14,452
Intangible assets, net	7,653	9,670
Goodwill	77,388	77,388
Other assets	2,756	1,505
Total assets	878,206	821,734
Current liabilities:
Accounts payable	15,202	17,223
Accrued expenses	31,276	35,614
Accrued income taxes	397	1,048
Deferred revenue	18,994	14,598
Held for sale liabilities	14,598	12,191
Total current liabilities	80,467	80,674
Reserve for income taxes	$ 4,603	$ 4,623
Commitments and contingencies
Shareholders’ equity:
Common stock, $.002 par value – Authorized: 140,000 shares, issued and outstanding: 87,102 and 86,542 shares in 2015 and 2014, respectively	$ 174	$ 173
Additional paid-in capital	294,155	251,717
Retained earnings	546,205	523,946
Accumulated other comprehensive loss, net of tax	(47,398)	(39,399)
Total shareholders’ equity	793,136	736,437
Total liabilities and shareholders' equity	$ 878,206	$ 821,734