CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
CURRENT ASSETS:
Cash and cash equivalents	$ 659,687	$ 528,622
Short-term investments	211,093	672,933
Accounts receivable, net	592,568	449,476
Inventories	275,566	255,745
Prepaid expenses and other current assets	57,320	40,877
Prepaid income taxes	32,445	138,724
Total current assets	1,828,679	2,086,377
INVESTMENTS		2,366
PROPERTY AND EQUIPMENT, net	240,658	230,276
DEFERRED INCOME TAXES	85,253	92,333
GOODWILL	1,331,643	1,331,643
OTHER INTANGIBLE ASSETS, net	1,039,401	1,034,085
OTHER ASSETS	16,436	13,932
Total Assets	4,542,070	4,791,012
CURRENT LIABILITIES:
Accounts payable	267,117	245,910
Accrued liabilities	82,191	87,475
Accrued promotional allowances	178,193	137,998
Accrued distributor terminations	488	91
Deferred revenue	43,888	43,236
Accrued compensation	26,357	34,996
Income taxes payable	15,978	10,645
Total current liabilities	614,212	560,351
DEFERRED REVENUE	320,259	334,354
OTHER LIABILITIES	2,439	1,095
COMMITMENTS AND CONTINGENCIES (Note 11)
STOCKHOLDERS' EQUITY:
Common stock - $0.005 par value; 1,250,000 shares authorized; 630,330 shares issued and 552,457 shares outstanding as of June 30, 2018; 629,255 shares issued and 566,298 shares outstanding as of December 31, 2017	3,152	3,146
Additional paid-in capital	4,194,676	4,150,628
Retained earnings	3,407,806	2,928,226
Accumulated other comprehensive loss	(25,196)	(16,659)
Common stock in treasury, at cost; 77,873 shares and 62,957 shares as of June 30, 2018 and December 31, 2017, respectively	(3,975,278)	(3,170,129)
Total stockholders' equity	3,605,160	3,895,212
Total Liabilities and Stockholders' Equity	$ 4,542,070	$ 4,791,012