XML 73 R57.htm IDEA: XBRL DOCUMENT v3.3.1.900
ACCOUNTS RECEIVABLE (SCHEDULE OF ACCOUNTS RECEIVABLE) (DETAILS) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
ACCOUNTS RECEIVABLE AND SIGNIFICANT CLIENTS [Abstract]    
Accounts receivable $ 285,650 $ 279,857
Less: Allowance for doubtful accounts (2,176) (3,425)
Accounts Receivable, Net, Current, Total $ 283,474 $ 276,432