CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
CURRENT ASSETS:
Cash and cash equivalents	$ 1,178,879	$ 1,180,413
Short-term investments	980,108	881,354
Accounts receivable, net	802,509	666,012
Inventories	368,402	333,085
Prepaid expenses and other current assets	72,803	55,358
Prepaid income taxes	31,171	24,733
Total current assets	3,433,872	3,140,955
INVESTMENTS	63,751	44,291
PROPERTY AND EQUIPMENT, net	312,155	314,656
DEFERRED INCOME TAXES	241,650	241,650
GOODWILL	1,331,643	1,331,643
OTHER INTANGIBLE ASSETS, net	1,063,092	1,059,046
OTHER ASSETS	88,203	70,475
Total Assets	6,534,366	6,202,716
CURRENT LIABILITIES:
Accounts payable	334,076	296,800
Accrued liabilities	170,954	142,653
Accrued promotional allowances	197,380	186,658
Deferred revenue	45,961	45,429
Accrued compensation	30,499	55,015
Income taxes payable	9,991	23,433
Total current liabilities	788,861	749,988
DEFERRED REVENUE	257,730	264,436
OTHER LIABILITIES	28,338	27,432
COMMITMENTS AND CONTINGENCIES (Note 12)
STOCKHOLDERS' EQUITY:
Common stock - $0.005 par value; 1,250,000 shares authorized; 639,154 shares issued and 528,439 shares outstanding as of March 31, 2021; 638,662 shares issued and 528,097 shares outstanding as of December 31, 2020	3,196	3,193
Additional paid-in capital	4,562,689	4,537,982
Retained earnings	6,747,268	6,432,074
Accumulated other comprehensive (loss) income	(24,874)	3,034
Common stock in treasury, at cost; 110,565 and 99,762 shares as of December 31, 2020 and December 31, 2019, respectively	(5,828,842)	(5,815,423)
Total stockholders' equity	5,459,437	5,160,860
Total Liabilities and Stockholders' Equity	$ 6,534,366	$ 6,202,716