CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
CURRENT ASSETS:
Cash and cash equivalents	$ 618,344	$ 637,513
Short-term investments	263,697	320,650
Accounts receivable, net	596,661	484,562
Inventories	300,780	277,705
Prepaid expenses and other current assets	63,685	44,909
Prepaid income taxes	64,133	38,831
Total current assets	1,907,300	1,804,170
PROPERTY AND EQUIPMENT, net	241,232	243,051
DEFERRED INCOME TAXES	85,215	85,687
GOODWILL	1,331,643	1,331,643
OTHER INTANGIBLE ASSETS, net	1,042,839	1,045,878
OTHER ASSETS	47,622	16,462
Total Assets	4,655,851	4,526,891
CURRENT LIABILITIES:
Accounts payable	267,735	248,760
Accrued liabilities	117,350	112,507
Accrued promotional allowances	167,700	145,741
Accrued distributor terminations	10,272
Deferred revenue	43,591	44,045
Accrued compensation	18,211	39,903
Income taxes payable	6,113	10,189
Total current liabilities	630,972	601,145
DEFERRED REVENUE	303,241	312,224
OTHER LIABILITIES	22,818	2,621
COMMITMENTS AND CONTINGENCIES (Note 12)
STOCKHOLDERS' EQUITY:
Common stock - $0.005 par value; 1,250,000 shares authorized; 634,841 shares issued and 543,547 shares outstanding as of March 31, 2019; 630,970 shares issued and 543,676 shares outstanding as of December 31, 2018	3,174	3,155
Additional paid-in capital	4,288,638	4,238,170
Retained earnings	4,176,130	3,914,645
Accumulated other comprehensive loss	(34,125)	(32,864)
Common stock in treasury, at cost; 91,294 shares and 87,294 shares as of March 31, 2019 and December 31, 2018, respectively	(4,734,997)	(4,512,205)
Total stockholders' equity	3,698,820	3,610,901
Total Liabilities and Stockholders' Equity	$ 4,655,851	$ 4,526,891