Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 01, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 353,063	$ 143,392
Accounts receivable, net	247,546	162,377
Costs and estimated earnings in excess of billings	29,212	7,450
Inventories	182,886	157,679
Other current assets	12,352	12,800
Total current assets	825,059	483,698
Property, plant and equipment, net	1,555,816	1,446,452
Goodwill	918,511	782,212
Intangible assets, net	17,344	17,989
Other assets	48,438	51,115
Total assets	3,365,168	2,781,466
Current liabilities:
Current portion of debt	6,500	6,500
Current portion of acquisition-related liabilities	17,721	24,162
Accounts payable	116,817	81,565
Accrued expenses	119,260	111,605
Billings in excess of costs and estimated earnings	16,873	15,456
Total current liabilities	277,171	239,288
Long-term debt	1,807,713	1,514,456
Acquisition-related liabilities	38,039	32,664
Other noncurrent liabilities	129,296	135,019
Total liabilities	2,252,219	1,921,427
Commitments and contingencies
Stockholders' equity / Member's interest
Additional paid-in capital	1,079,595	824,304
Accumulated (deficit) earnings	16,584	19,028
Accumulated other comprehensive loss	2,273	(2,249)
Stockholders' equity	1,099,528	842,044
Noncontrolling interest in consolidated subsidiaries	1,292	1,378
Noncontrolling interest in Summit Materials, Inc.	12,129	16,617
Total stockholders' equity	1,112,949	860,039
Total liabilities and stockholders' equity / member's interest	3,365,168	2,781,466
Common Class A
Stockholders' equity / Member's interest
Common stock	1,076	961
Summit Materials, LLC
Current assets:
Cash and cash equivalents	353,063	142,672
Accounts receivable, net	247,546	162,377
Costs and estimated earnings in excess of billings	29,212	7,450
Inventories	182,886	157,679
Other current assets	12,352	12,800
Total current assets	825,059	482,978
Property, plant and equipment, net	1,555,816	1,446,452
Goodwill	918,511	782,212
Intangible assets, net	17,344	17,989
Other assets	47,232	46,789
Total assets	3,363,962	2,776,420
Current liabilities:
Current portion of debt	6,500	6,500
Current portion of acquisition-related liabilities	15,221	21,663
Accounts payable	116,210	81,610
Accrued expenses	119,260	110,473
Billings in excess of costs and estimated earnings	16,873	15,456
Total current liabilities	274,064	235,702
Long-term debt	1,807,713	1,514,456
Acquisition-related liabilities	32,569	25,161
Other noncurrent liabilities	120,562	124,708
Total liabilities	2,234,908	1,900,027
Commitments and contingencies
Stockholders' equity / Member's interest
Member's equity	1,336,537	1,087,558
Accumulated (deficit) earnings	(186,040)	(185,099)
Accumulated other comprehensive loss	(22,735)	(27,444)
Member's interest	1,127,762	875,015
Noncontrolling interest	1,292	1,378
Total member's interest	1,129,054	876,393
Total liabilities and stockholders' equity / member's interest	$ 3,363,962	$ 2,776,420