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| 0000909832-20-000026-index.html | 2020-12-16 17:05:38 | |
| 0000909832-20-000026.txt | 2020-12-16 17:05:38 | |
 0000909832-20-000026-xbrl.zip | 179718 | 2020-12-16 17:05:38 |
| cost-20201122.htm | 906495 | 2020-12-16 17:05:38 |
| cost-20201122.xsd | 30735 | 2020-12-16 17:05:38 |
| cost-20201122_cal.xml | 72836 | 2020-12-16 17:05:38 |
| cost-20201122_def.xml | 156114 | 2020-12-16 17:05:38 |
| cost-20201122_htm.xml | 640144 | 2020-12-16 17:05:38 |
| cost-20201122_lab.xml | 454355 | 2020-12-16 17:05:38 |
| cost-20201122_pre.xml | 288426 | 2020-12-16 17:05:38 |
| costex10210q112220.htm | 5395 | 2020-12-16 17:05:38 |
| costex31110q112220.htm | 19329 | 2020-12-16 17:05:38 |
| costex32110q112220.htm | 11188 | 2020-12-16 17:05:38 |
| FilingSummary.xml | 26044 | 2020-12-16 17:05:38 |
| Financial_Report.xlsx | 55989 | 2020-12-16 17:05:38 |
| MetaLinks.json | 505417 | 2020-12-16 17:05:38 |
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| report.css | 2767 | 2020-12-16 17:05:38 |
| Show.js | 1085 | 2020-12-16 17:05:38 |