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ACQUISITIONS, DISPOSTIONS, GOODWILL AND INTANGIBLES - Amortization Expense (Details) - USD ($)
$ in Thousands
Jul. 01, 2023
Dec. 31, 2022
Estimated amortization expense    
2023 (six months) $ 1,999  
2024 4,006  
2025 3,965  
2026 3,916  
2027 3,904  
2028 3,906  
Thereafter 48,018  
Total 69,714 $ 71,384
Summit Materials, LLC    
Estimated amortization expense    
2023 (six months) 1,999  
2024 4,006  
2025 3,965  
2026 3,916  
2027 3,904  
2028 3,906  
Thereafter 48,018  
Total $ 69,714 $ 71,384