Consolidated Balance Sheets - Summit Materials LLC (Parenthetical) - USD ($) $ in Thousands	Jul. 01, 2023	Dec. 31, 2022
Accumulated depreciation, depletion and amortization	$ 1,352,008	$ 1,267,557
Accumulated amortization	17,321	15,503
Summit Materials, LLC
Accumulated depreciation, depletion and amortization	1,352,008	1,267,557
Accumulated amortization	$ 17,321	$ 15,503

Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482099/360-10-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (a)
-SubTopic 20
-Topic 842
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-4

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-SubTopic 20
-Topic 842
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-4

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Balance Type:	credit
Period Type:	instant