XML 36 R53.htm IDEA: XBRL DOCUMENT v3.19.3
Segment Information (Schedule Of Revenue From Unaffiliated Customers By Geographic Area) (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
USD ($)
Sep. 30, 2018
USD ($)
Sep. 30, 2019
USD ($)
segment
Sep. 30, 2018
USD ($)
Number of reportable segments | segment     1  
Revenue from unaffiliated customers $ 155,272 $ 164,511 $ 464,524 $ 506,948
United States        
Revenue from unaffiliated customers 75,578 81,282 227,392 250,023
Other Americas        
Revenue from unaffiliated customers 2,248 873 6,949 4,918
EMEA        
Revenue from unaffiliated customers 60,356 55,020 175,776 169,300
Asia Pacific        
Revenue from unaffiliated customers $ 17,090 $ 27,336 $ 54,407 $ 82,707