Accounts Receivable, Net - Summary of Accounts Receivable, Net (Details) - USD ($) $ in Thousands	Apr. 01, 2017	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable	$ 147,501	$ 152,845
Retention receivables	10,136	12,117
Receivables from related parties	355	721
Accounts receivable	157,992	165,683
Less: Allowance for doubtful accounts	(3,148)	(3,306)
Accounts receivable, net	154,844	162,377
Summit Materials, LLC
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable	147,501	152,845
Retention receivables	10,136	12,117
Receivables from related parties	355	721
Accounts receivable	157,992	165,683
Less: Allowance for doubtful accounts	(3,148)	(3,306)
Accounts receivable, net	$ 154,844	$ 162,377