9999999997-07-019835 ARS 1 20061231 20070417 20070420 20070417 CDW CORP 0000899171 5961 363310735 IL 1231 ARS 34 000-21796 07051108 200 N MILWAUKEE AVE VERNON HILLS IL 60061 8474656000 200 N MILWAUKEE AVE VERNON HILLS IL 60061 CDW COMPUTER CENTERS INC 19930322 ARS 1 9999999997-07-019835.paper AUTO-GENERATED PAPER DOCUMENT