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PROPERTY, PLANT AND EQUIPMENT | 12 Months Ended
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Dec. 30, 2023
Property, Plant and Equipment [Abstract] |
PROPERTY, PLANT AND EQUIPMENT | (7) PROPERTY, PLANT, AND EQUIPMENT Property, plant, and equipment, at cost, as of December 30, 2023 and December 31, 2022 consisted of the following:
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 30, | ​ | December 31,
​ | ​ | 2023 |  | 2022
Land and improvements | ​ | $ | 118,869 | ​ | $ | 113,188
Buildings and improvements | ​ |  | 409,092 | ​ |  | 390,435
Machinery and equipment | ​ |  | 750,959 | ​ |  | 721,223
Transportation equipment | ​ |  | 31,278 | ​ |  | 30,610
Office furniture and equipment | ​ |  | 140,061 | ​ |  | 128,922
Construction in progress | ​ |  | 62,980 | ​ |  | 48,773
Total property, plant, and equipment, at cost | ​ | $ | 1,513,239 | ​ | $ | 1,433,151
​ ​

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//360/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 6 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-7 + Details
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