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| 0001402057-12-000006-index.html | 2012-03-09 14:23:58 | |
| 0001402057-12-000006.txt | 2012-03-09 14:23:58 | |
 0001402057-12-000006-xbrl.zip | 148384 | 2012-03-09 14:23:58 |
| cdw-20011231xex211.htm | 7795 | 2012-03-09 14:23:58 |
| cdw-20111231.xml | 2560434 | 2012-03-09 14:23:58 |
| cdw-20111231.xsd | 18751 | 2012-03-09 14:23:58 |
| cdw-20111231x10k.htm | 4390952 | 2012-03-09 14:23:58 |
| cdw-20111231xex1018.htm | 6655 | 2012-03-09 14:23:58 |
| cdw-20111231xex1031.htm | 13766 | 2012-03-09 14:23:58 |
| cdw-20111231xex121.htm | 71965 | 2012-03-09 14:23:58 |
| cdw-20111231xex311.htm | 12306 | 2012-03-09 14:23:58 |
| cdw-20111231xex312.htm | 12192 | 2012-03-09 14:23:58 |
| cdw-20111231xex321.htm | 3842 | 2012-03-09 14:23:58 |
| cdw-20111231xex322.htm | 3841 | 2012-03-09 14:23:58 |
| cdw-20111231_cal.xml | 58588 | 2012-03-09 14:23:58 |
| cdw-20111231_def.xml | 89976 | 2012-03-09 14:23:58 |
| cdw-20111231_lab.xml | 249589 | 2012-03-09 14:23:58 |
| cdw-20111231_pre.xml | 132942 | 2012-03-09 14:23:58 |
 cdwlogo.gif | 3852 | 2012-03-09 14:23:58 |
| FilingSummary.xml | 13219 | 2012-03-09 14:23:58 |
| Financial_Report.xls | 2191115 | 2012-03-09 14:23:58 |
| R1.htm | 37268 | 2012-03-09 14:23:58 |
| R10.htm | 130598 | 2012-03-09 14:23:58 |
| R11.htm | 8016 | 2012-03-09 14:23:58 |
| R12.htm | 16433 | 2012-03-09 14:23:58 |
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| R2.htm | 172635 | 2012-03-09 14:23:58 |
| R20.htm | 13264 | 2012-03-09 14:23:58 |
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| R22.htm | 9123 | 2012-03-09 14:23:58 |
| R23.htm | 10006 | 2012-03-09 14:23:58 |
| R24.htm | 124070 | 2012-03-09 14:23:58 |
| R25.htm | 1161252 | 2012-03-09 14:23:58 |
| R26.htm | 177706 | 2012-03-09 14:23:58 |
| R27.htm | 8883 | 2012-03-09 14:23:58 |
| R28.htm | 51533 | 2012-03-09 14:23:58 |
| R3.htm | 19744 | 2012-03-09 14:23:58 |
| R4.htm | 53319 | 2012-03-09 14:23:58 |
| R5.htm | 60699 | 2012-03-09 14:23:58 |
| R6.htm | 181252 | 2012-03-09 14:23:58 |
| R7.htm | 82633 | 2012-03-09 14:23:58 |
| R8.htm | 18291 | 2012-03-09 14:23:58 |
| R9.htm | 26697 | 2012-03-09 14:23:58 |
| report.css | 2721 | 2012-03-09 14:23:58 |
| Show.js | 6423 | 2012-03-09 14:23:58 |