XML 140 R64.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
BUSINESS ACQUISITONS - GENBAND PRO FORMA RESULTS (Details)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2017
USD ($)
$ / shares
Business Combinations [Abstract]  
Revenue $ 615,286
Net loss $ (69,741)
Loss per share (in usd per share) | $ / shares $ (0.69)