ACCOUNTS RECEIVABLE (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Accounts receivable
Trade	$ 384,709	$ 328,319
Vendor returns, consideration, and other	33,020	33,064
Due from employees	173	155
Due from affiliates		61
Total Gross Accounts Receivable	417,902	361,599
Doubtful accounts	(2,310)	(2,219)
Accounts Receivable, net	411,883	356,145
Accounts Receivable
Accounts receivable
Sales returns	$ (3,709)	$ (3,235)