CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011		Dec. 31, 2010
CURRENT ASSETS:
Cash and cash equivalents	$ 359,331		$ 354,842
Short-term investments	411,282		244,649
Trade accounts receivable, net	218,072		166,041
Distributor receivables	669		413
Inventories	155,613		153,241
Prepaid expenses and other current assets	20,912		17,022
Prepaid income taxes	370		9,992
Deferred income taxes	16,428		16,772
Total current assets	1,182,677		962,972
INVESTMENTS	23,194		44,189
PROPERTY AND EQUIPMENT, net	45,151		34,551
DEFERRED INCOME TAXES	58,576		58,475
INTANGIBLES, net	48,396		43,316
OTHER ASSETS	4,405		3,447
Total Assets	1,362,399		1,146,950
CURRENT LIABILITIES:
Accounts payable	113,446		90,314
Accrued liabilities	31,966		23,065
Accrued promotional allowances	87,746		61,606
Deferred revenue	11,583		10,140
Accrued compensation	10,353		7,603
Income taxes payable	10,996		925
Total current liabilities	266,090		193,653
DEFERRED REVENUE	117,151		124,899
COMMITMENTS AND CONTINGENCIES (Note 9)
STOCKHOLDERS' EQUITY:
Common stock - $0.005 par value; 240,000 shares authorized; 198,729 shares issued and 174,277 outstanding as of December 31, 2011; 197,462 shares issued and 177,960 outstanding as of December 31, 2010	994	[1]	988	[1]
Additional paid-in capital	229,301	[1]	186,546	[1]
Retained earnings	1,168,644	[1]	882,425	[1]
Accumulated other comprehensive (loss) income	(1,547)	[1]	281	[1]
Common stock in treasury, at cost; 24,452 shares and 19,502 shares as of December 31, 2011 and 2010, respectively	(418,234)	[1]	(241,842)	[1]
Total stockholders' equity	979,158	[1]	828,398	[1]
Total Liabilities and Stockholders' Equity	$ 1,362,399		$ 1,146,950

[1] Stock Split - On January 11, 2012, the Company announced that its Board of Directors had approved a two-for-one stock split of its common stock to be effected in the form of a 100% stock dividend. The stock dividend was issued on February 15, 2012. See Note 1 for additional information.