XML 83 R71.htm IDEA: XBRL DOCUMENT v3.19.2
OTHER LONG TERM LIABILITIES (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Other Liabilities, Noncurrent [Abstract]    
Deferred revenue - long-term $ 31,331 $ 33,247
Deferred Compensation Liability, Classified, Noncurrent 17,973 14,836
Payable for remaining portion of acquisition   37,756
Other Accrued Liabilities, Noncurrent 30,684 40,693
Other Liabilities, Noncurrent, Total $ 79,988 $ 126,532