Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
CURRENT ASSETS:
Cash and cash equivalents	$ 97,418	$ 74,738
Short-term investments	34,866	34,497
Accounts receivable, less allowances: 2011 - $1,520; 2010 - $3,925	37,042	34,131
Inventories	38,283	36,709
Income taxes receivable	1,490	6,547
Deferred income taxes	24,809	25,022
Other current assets	2,208	2,718
Total current assets	236,116	214,362
LONG-TERM INVESTMENTS	9,342	12,166
PROPERTY, PLANT AND EQUIPMENT, NET	63,167	64,517
DEFERRED INCOME TAXES	7,797	9,740
INTANGIBLE ASSETS, NET	128	255
OTHER ASSETS	1,444	1,413
TOTAL	317,994	302,453
CURRENT LIABILITIES:
Accounts payable	15,212	19,672
Deferred income on shipments to distributors	37,733	38,646
Current portion of long-term debt	0	2,857
Other current liabilities	12,646	11,973
Total current liabilities	65,591	73,148
LONG-TERM INCOME TAXES PAYABLE	6,293	5,664
Total liabilities	71,884	78,812
COMMITMENTS AND CONTINGENCIES (Note 13)
SHAREHOLDERS' EQUITY:
Preferred stock, no par value - authorized: 5,000,000 shares; issued and outstanding: none	0	0
Common stock, no par value - authorized: 250,000,000 shares; issued and outstanding: 2011 - 62,180,040 shares; 2010 - 61,604,160 shares	9,038	2,401
Accumulated other comprehensive loss	(816)	(1,212)
Retained earnings	237,888	222,452
Total shareholders' equity	246,110	223,641
TOTAL	$ 317,994	$ 302,453