CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
CURRENT ASSETS:
Cash and cash equivalents	$ 283,054	$ 359,331
Short-term investments	307,654	411,282
Trade accounts receivable, net	288,584	218,072
Distributor receivables	669	669
Inventories	193,934	155,613
Prepaid expenses and other current assets	20,190	20,912
Prepaid income taxes	18,424	370
Deferred income taxes	16,428	16,428
Total current assets	1,128,937	1,182,677
INVESTMENTS	19,882	23,194
PROPERTY AND EQUIPMENT, net	57,574	45,151
DEFERRED INCOME TAXES	56,005	58,576
INTANGIBLES, net	52,851	48,396
OTHER ASSETS	3,673	4,405
Total Assets	1,318,922	1,362,399
CURRENT LIABILITIES:
Accounts payable	152,449	113,446
Accrued liabilities	58,973	31,966
Accrued promotional allowances	78,526	87,746
Deferred revenue	12,360	11,583
Accrued compensation	11,897	10,353
Income taxes payable	2,833	10,996
Total current liabilities	317,038	266,090
DEFERRED REVENUE	112,209	117,151
COMMITMENTS AND CONTINGENCIES (Note 9)
STOCKHOLDERS' EQUITY:
Common stock - $0.005 par value; 240,000 shares authorized; 202,661 shares issued and 171,355 outstanding as of September 30, 2012; 198,729 shares issued and 174,277 outstanding as of December 31, 2011	1,013	994
Additional paid-in capital	262,805	229,301
Retained earnings	1,440,681	1,168,644
Accumulated other comprehensive income (loss)	905	(1,547)
Common stock in treasury, at cost; 31,306 and 24,452 shares as of September 30, 2012 and December 31, 2011, respectively	(815,729)	(418,234)
Total stockholders' equity	889,675	979,158
Total Liabilities and Stockholders' Equity	$ 1,318,922	$ 1,362,399