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Inventories | 12 Months Ended
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Dec. 31, 2022
Inventory Disclosure [Abstract] |
Inventories | Note 3 Inventories Inventories, as of December 31, 2022 and December 25, 2021, were valued as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
(amounts in thousands) |  | 2022 |  | 2021
LIFO | ​ | $ | 192,984 | ​ | $ | 178,520
Average cost | ​ |  | 100,290 | ​ |  | 91,067
Total | ​ | $ | 293,274 | ​ | $ | 269,587
​ Management believes the use of the LIFO method for valuing certain inventories represents the most appropriate matching of costs and revenues in the Company’s circumstances. If all inventories were valued on the average cost method, which approximates current cost, total inventories would have been $103.6 million and $74.5 million higher than as reported on the above methods as of December 31, 2022 and December 25, 2021, respectively. During 2021 the Company had certain decrements in its LIFO pools, which had an insignificant impact on the cost of sales.

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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 https://asc.fasb.org/topic&trid=2126998 + Details
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