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|---|---|---|
 0000909832-18-000002-index-headers.html | 2018-03-14 18:30:55 | |
| 0000909832-18-000002-index.html | 2018-03-14 18:30:55 | |
| 0000909832-18-000002.txt | 2018-03-14 18:30:55 | |
 0000909832-18-000002-xbrl.zip | 140064 | 2018-03-14 18:30:55 |
| cost-20180218.xml | 1071125 | 2018-03-14 18:30:55 |
| cost-20180218.xsd | 29269 | 2018-03-14 18:30:55 |
| cost-20180218_cal.xml | 69644 | 2018-03-14 18:30:55 |
| cost-20180218_def.xml | 109836 | 2018-03-14 18:30:55 |
| cost-20180218_lab.xml | 445090 | 2018-03-14 18:30:55 |
| cost-20180218_pre.xml | 249248 | 2018-03-14 18:30:55 |
| cost10q21818.htm | 885464 | 2018-03-14 18:30:55 |
| costex10110q21818.htm | 30250 | 2018-03-14 18:30:55 |
| costex31110q21818.htm | 24513 | 2018-03-14 18:30:55 |
| costex32110q21818.htm | 12518 | 2018-03-14 18:30:55 |
| FilingSummary.xml | 25499 | 2018-03-14 18:30:55 |
| Financial_Report.xlsx | 52602 | 2018-03-14 18:30:55 |
| R1.htm | 23948 | 2018-03-14 18:30:55 |
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| R8.htm | 28560 | 2018-03-14 18:30:55 |
| R9.htm | 55520 | 2018-03-14 18:30:55 |
| report.css | 2767 | 2018-03-14 18:30:55 |
| Show.js | 1410 | 2018-03-14 18:30:55 |