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Inventories | 3 Months Ended
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Mar. 31, 2021
Inventory Disclosure [Abstract] |
Inventories | Inventories Inventories consisted of the following:
(Millions of dollars) |  | March 31, 2021 |  | December 31, 2020
Finished products - First-In, First-Out ("FIFO") basis |  | $ | 300.0 |  |  | $ | 223.0 |
Less: Last-In, First-Out ("LIFO") reserve - finished products |  | (192.2) |  |  | (101.3) |
Finished products - LIFO basis |  | 107.8 |  |  | 121.7 |
Store merchandise for resale |  | 169.0 |  |  | 152.0 |
Materials and supplies |  | 6.2 |  |  | 5.4 |
Total inventories |  | $ | 283.0 |  |  | $ | 279.1 |
At March 31, 2021 and December 31, 2020, the replacement cost (market value) of LIFO inventories exceeded the LIFO carrying value by $192.2 million and $101.3 million, respectively. The QuickChek subsidiary values its general merchandise inventory utilizing the LIFO method and values the inventory of gasoline and certain other merchandise items using the FIFO method. The QuickChek LIFO reserve balance for the period was immaterial.

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- References No definition available. + Details
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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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