Leasing Arrangements (Tables)

12 Months Ended

Dec. 30, 2017

Minimum Contractual Commitments for the Subsequent Five Years under Long-Term Operating Leases

	Operating		Royalty
	Leases		Agreements
2018	$	8,627	$	6,450
2019		7,077		6,017
2020		5,826		5,833
2021		4,650		5,550
2022		2,475		5,431

Summit Materials, LLC

Minimum Contractual Commitments for the Subsequent Five Years under Long-Term Operating Leases

	Operating		Royalty
	Leases		Agreements
2018	$	8,627	$	6,450
2019		7,077		6,017
2020		5,826		5,833
2021		4,650		5,550
2022		2,475		5,431