CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
CURRENT ASSETS:
Cash and cash equivalents	$ 287,019	$ 222,514
Short-term investments	315,572	97,042
Accounts receivable, net	339,155	236,044
Distributor receivables	4,050	666
Inventories	247,368	203,106
Prepaid expenses and other current assets	29,799	24,983
Prepaid income taxes	38,516	33,709
Deferred income taxes	16,978	17,004
Total current assets	1,278,457	835,068
INVESTMENTS	9,725	21,393
PROPERTY AND EQUIPMENT, net	88,495	69,137
DEFERRED INCOME TAXES	61,407	59,503
INTANGIBLES, net	63,613	54,648
OTHER ASSETS	10,170	3,576
Total Assets	1,511,867	1,043,325
CURRENT LIABILITIES:
Accounts payable	162,851	127,330
Accrued liabilities	63,213	38,916
Accrued promotional allowances	131,103	91,208
Deferred revenue	14,702	12,695
Accrued compensation	12,826	12,926
Income taxes payable	53,577	5,470
Total current liabilities	438,272	288,545
DEFERRED REVENUE	113,204	110,383
COMMITMENTS AND CONTINGENCIES (Note 9)
STOCKHOLDERS' EQUITY:
Common stock - $0.005 par value; 240,000 shares authorized; 205,893 shares issued and 167,653 outstanding as of September 30, 2013; 203,759 shares issued and 165,776 outstanding as of December 31, 2012	1,029	1,019
Additional paid-in capital	357,991	287,953
Retained earnings	1,771,219	1,508,664
Accumulated other comprehensive (loss) income	(1,134)	2,074
Common stock in treasury, at cost; 38,240 and 37,983 shares as of September 30, 2013 and December 31, 2012, respectively	(1,168,714)	(1,155,313)
Total stockholders' equity	960,391	644,397
Total Liabilities and Stockholders' Equity	$ 1,511,867	$ 1,043,325