Consolidated Balance Sheets - USD ($) $ in Thousands	Apr. 01, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 156,107	$ 143,392
Accounts receivable, net	154,844	162,377
Costs and estimated earnings in excess of billings	14,926	7,450
Inventories	186,998	157,679
Other current assets	12,038	12,800
Total current assets	524,913	483,698
Property, plant and equipment, net	1,528,259	1,446,452
Goodwill	848,034	782,212
Intangible assets, net	17,685	17,989
Other assets	52,972	51,115
Total assets	2,971,863	2,781,466
Current liabilities:
Current portion of debt	6,500	6,500
Current portion of acquisition-related liabilities	17,852	24,162
Accounts payable	105,390	81,565
Accrued expenses	100,720	111,605
Billings in excess of costs and estimated earnings	12,860	15,456
Total current liabilities	243,322	239,288
Long-term debt	1,513,057	1,514,456
Acquisition-related liabilities	33,715	32,664
Other noncurrent liabilities	134,049	135,019
Total liabilities	1,924,143	1,921,427
Commitments and contingencies
Stockholders' equity / Member's interest
Additional paid-in capital	1,068,156	824,304
Accumulated (deficit) earnings	(33,416)	19,028
Accumulated other comprehensive loss	(1,186)	(2,249)
Stockholders' equity	1,034,619	842,044
Noncontrolling interest in consolidated subsidiaries	1,280	1,378
Noncontrolling interest in Summit Materials, Inc.	11,821	16,617
Total stockholders' equity	1,047,720	860,039
Total liabilities and stockholders' equity / member's interest	2,971,863	2,781,466
Common Class A
Stockholders' equity / Member's interest
Common stock	1,065	961
Summit Materials, LLC
Current assets:
Cash and cash equivalents	156,107	142,672
Accounts receivable, net	154,844	162,377
Costs and estimated earnings in excess of billings	14,926	7,450
Inventories	186,998	157,679
Other current assets	12,038	12,800
Total current assets	524,913	482,978
Property, plant and equipment, net	1,528,259	1,446,452
Goodwill	848,034	782,212
Intangible assets, net	17,685	17,989
Other assets	46,303	46,789
Total assets	2,965,194	2,776,420
Current liabilities:
Current portion of debt	6,500	6,500
Current portion of acquisition-related liabilities	15,352	21,663
Accounts payable	104,782	81,610
Accrued expenses	100,720	110,473
Billings in excess of costs and estimated earnings	12,860	15,456
Total current liabilities	240,214	235,702
Long-term debt	1,513,057	1,514,456
Acquisition-related liabilities	28,459	25,161
Other noncurrent liabilities	121,379	124,708
Total liabilities	1,903,109	1,900,027
Commitments and contingencies
Stockholders' equity / Member's interest
Member's equity	1,326,986	1,087,558
Accumulated (deficit) earnings	(239,855)	(185,099)
Accumulated other comprehensive loss	(26,326)	(27,444)
Member's interest	1,060,805	875,015
Noncontrolling interest	1,280	1,378
Total member's interest	1,062,085	876,393
Total liabilities and stockholders' equity / member's interest	$ 2,965,194	$ 2,776,420