- DefinitionNumber and average price of shares that have been repurchased during the period and retired. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock
+ Details| Name: | cost_StockRepurchasedDuringPeriodTextBlock |
| Namespace Prefix: | cost |
| Data Type: | nonnum:textBlockItemType |
| Balance Type: | na |
| Period Type: | duration |