ACQUISITIONS, DISPOSTIONS, GOODWILL AND INTANGIBLES - Acquisitions by Region (Details) - acquisition	6 Months Ended	12 Months Ended
Jul. 01, 2023	Dec. 31, 2022
West
Business Acquisition [Line Items]
Number of businesses acquired	3	0
West \| Summit Materials, LLC
Business Acquisition [Line Items]
Number of businesses acquired	3	0
East
Business Acquisition [Line Items]
Number of businesses acquired	1	2
East \| Summit Materials, LLC
Business Acquisition [Line Items]
Number of businesses acquired	1	2

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479907/805-20-50-5

Name:	us-gaap_BusinessAcquisitionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration