CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
CURRENT ASSETS:
Cash and cash equivalents	$ 242,533	$ 222,514
Short-term investments	102,139	97,042
Accounts receivable, net	308,675	236,044
Distributor receivables	8,980	666
Inventories	215,337	203,106
Prepaid expenses and other current assets	35,628	24,983
Prepaid income taxes	6,403	33,709
Deferred income taxes	17,004	17,004
Total current assets	936,699	835,068
INVESTMENTS	13,631	21,393
PROPERTY AND EQUIPMENT, net	74,596	69,137
DEFERRED INCOME TAXES	60,856	59,503
INTANGIBLES, net	57,999	54,648
OTHER ASSETS	3,591	3,576
Total Assets	1,147,372	1,043,325
CURRENT LIABILITIES:
Accounts payable	135,477	127,330
Accrued liabilities	55,356	38,916
Accrued promotional allowances	103,846	91,208
Deferred revenue	13,079	12,695
Accrued compensation	7,488	12,926
Income taxes payable	14,520	5,470
Total current liabilities	329,766	288,545
DEFERRED REVENUE	116,235	110,383
COMMITMENTS AND CONTINGENCIES (Note 9)
STOCKHOLDERS' EQUITY:
Common stock - $0.005 par value; 240,000 shares authorized; 203,895 shares issued and 165,655 outstanding as of March 31, 2013; 203,759 shares issued and 165,776 outstanding as of December 31, 2012	1,019	1,019
Additional paid-in capital	297,409	287,953
Retained earnings	1,572,160	1,508,664
Accumulated other comprehensive (loss) income	(543)	2,074
Common stock in treasury, at cost; 38,240 and 37,983 shares as of March 31, 2013 and December 31, 2012, respectively	(1,168,674)	(1,155,313)
Total stockholders' equity	701,371	644,397
Total Liabilities and Stockholders' Equity	$ 1,147,372	$ 1,043,325