Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2017

Schedule of Supplemental Cash Flow Information

	Nine months ended
	September 30,		October 1,
	2017		2016
Cash payments:
Interest	$	71,117	$	62,438
Income taxes		1,841		1,536
Non cash financing activities:
Exchange of LP units to shares of Class A common stock		34,831		525,711

Summit Materials, LLC

Schedule of Supplemental Cash Flow Information

	Nine months ended
	September 30,		October 1,
	2017		2016
Cash payments:
Interest	$	71,117	$	62,438
Income taxes		1,841		1,536