CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
CURRENT ASSETS:
Cash and cash equivalents	$ 222,514	$ 359,331
Short-term investments	97,042	411,282
Trade accounts receivable, net	236,044	218,072
Distributor receivables	666	669
Inventories	203,106	155,613
Prepaid expenses and other current assets	24,983	20,912
Prepaid income taxes	33,709	370
Deferred income taxes	17,004	16,428
Total current assets	835,068	1,182,677
INVESTMENTS	21,393	23,194
PROPERTY AND EQUIPMENT, net	69,137	45,151
DEFERRED INCOME TAXES	59,503	58,576
INTANGIBLES, net	54,648	48,396
OTHER ASSETS	3,576	4,405
Total Assets	1,043,325	1,362,399
CURRENT LIABILITIES:
Accounts payable	127,330	113,446
Accrued liabilities	38,916	31,966
Accrued promotional allowances	91,208	87,746
Deferred revenue	12,695	11,583
Accrued compensation	12,926	10,353
Income taxes payable	5,470	10,996
Total current liabilities	288,545	266,090
DEFERRED REVENUE	110,383	117,151
COMMITMENTS AND CONTINGENCIES (Note 9)
STOCKHOLDERS' EQUITY:
Common stock - $0.005 par value; 240,000 shares authorized; 203,759 shares issued and 165,776 outstanding as of December 31, 2012; 198,729 shares issued and 174,277 outstanding as of December 31, 2011	1,019	994
Additional paid-in capital	287,953	229,301
Retained earnings	1,508,664	1,168,644
Accumulated other comprehensive income (loss)	2,074	(1,547)
Common stock in treasury, at cost; 37,983 shares and 24,452 shares as of December 31, 2012 and 2011, respectively	(1,155,313)	(418,234)
Total stockholders' equity	644,397	979,158
Total Liabilities and Stockholders' Equity	$ 1,043,325	$ 1,362,399