| Standard label: | Effect of LIFO Inventory Liquidation on Income |
| Name: | us-gaap:EffectOfLIFOInventoryLiquidationOnIncome |
| Documentation: | The effect of liquidating LIFO (last in first out) inventory layers on income. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:EffectOfLIFOInventoryLiquidationOnIncome |
| Label | Role | Language |
| Effect of LIFO Inventory Liquidation on Income | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 330 10 S99 3 (SAB Topic 11.F) | http://www.xbrl.org/2003/role/disclosureRef | 330 |
| Part Of Roll Up: |
| us-gaap:InventoryLIFOReserveEffectOnIncomeNet |