Revenue Recognition - Summary of Accounts Receivable, Net (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Jan. 01, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable	$ 215,766	$ 230,714
Construction contract receivables	37,067	47,054
Retention receivables	11,048	13,094
Receivables from related parties	0	292
Accounts receivable	263,881	291,154
Less: Allowance for doubtful accounts	(7,212)	(3,928)
Accounts receivable, net	256,669	287,226
Summit Materials, LLC
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable	215,766	230,714
Construction contract receivables	37,067	47,054
Retention receivables	11,048	13,094
Receivables from related parties	0	292
Accounts receivable	263,881	291,154
Less: Allowance for doubtful accounts	(7,212)	(3,928)
Accounts receivable, net	$ 256,669	$ 287,226
Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
General collection and billing period for retention receivables	1 year
Maximum \| Summit Materials, LLC
Accounts, Notes, Loans and Financing Receivable [Line Items]
General collection and billing period for retention receivables	1 year

The general collection and billing period for retention receivables.

No definition available.

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- Definition

Amounts earned by entity but held by customers until projects have been fully completed or near completion and are expected to be billed and collected within one year of the balance sheet date (or the normal operating cycle, whichever is longer).

+ References

No definition available.

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- Definition

Trade receivable amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services.

+ References

No definition available.

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Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

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Amount of allowance for credit loss on accounts receivable, classified as current.

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Amounts due for billed services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the Company and, at a minimum, one other party. An example would be amounts billed to customers under contracts or programs but not paid as of the balance sheet date.

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