Consolidated Balance Sheets - USD ($)	Dec. 31, 2016	Jan. 02, 2016
Current assets:
Cash and cash equivalents	$ 143,392,000	$ 186,405,000
Accounts receivable, net	162,377,000	145,544,000
Costs and estimated earnings in excess of billings	7,450,000	5,690,000
Inventories	157,679,000	130,082,000
Other current assets	12,800,000	4,807,000
Total current assets	483,698,000	472,528,000
Property, plant and equipment, net	1,446,452,000	1,269,006,000
Goodwill	782,212,000	596,397,000
Intangible assets, net	17,989,000.000	15,005,000
Other assets	51,115,000	43,243,000
Total assets	2,781,466,000	2,396,179,000
Current liabilities:
Current portion of debt	6,500,000	6,500,000
Current portion of acquisition-related liabilities	24,162,000	20,584,000
Accounts payable	81,565,000	81,397,000
Accrued expenses	111,605,000	92,942,000
Billings in excess of costs and estimated earnings	15,456,000	13,081,000
Total current liabilities	239,288,000	214,504,000
Long-term debt	1,514,456,000	1,273,652,000
Acquisition-related liabilities	32,664,000	39,977,000
Other noncurrent liabilities	135,019,000	100,186,000
Total liabilities	1,921,427,000	1,628,319,000
Commitments and contingencies
Stockholders' equity / Member's interest
Additional paid-in capital	824,304,000	619,003,000
Accumulated (deficit) earnings	19,028,000	10,870,000
Accumulated other comprehensive loss	(2,249,000)	(2,795,000)
Stockholders' equity	842,044,000	628,265,000
Noncontrolling interest in consolidated subsidiaries	1,378,000	1,362,000
Noncontrolling interest in Summit Materials, Inc.	16,617,000	138,233,000
Total stockholders' equity	860,039,000	767,860,000
Total liabilities and stockholders' equity / member's interest	2,781,466,000	2,396,179,000
Common Class A
Stockholders' equity / Member's interest
Common stock	961,000	497,000
Common Class B
Stockholders' equity / Member's interest
Common stock		690,000
Summit Materials, LLC
Current assets:
Cash and cash equivalents	142,672,000	185,388,000
Accounts receivable, net	162,377,000	145,544,000
Costs and estimated earnings in excess of billings	7,450,000	5,690,000
Inventories	157,679,000	130,082,000
Other current assets	12,800,000	4,807,000
Total current assets	482,978,000	471,511,000
Property, plant and equipment, net	1,446,452,000	1,269,006,000
Goodwill	782,212,000	596,397,000
Intangible assets, net	17,989,000	15,005,000
Other assets	46,789,000	43,243,000
Total assets	2,776,420,000	2,395,162,000
Current liabilities:
Current portion of debt	6,500,000	6,500,000
Current portion of acquisition-related liabilities	21,663,000	18,084,000
Accounts payable	81,610,000	81,397,000
Accrued expenses	110,473,000	92,942,000
Billings in excess of costs and estimated earnings	15,456,000	13,081,000
Total current liabilities	235,702,000	212,004,000
Long-term debt	1,514,456,000	1,273,652,000
Acquisition-related liabilities	25,161,000	31,028,000
Other noncurrent liabilities	124,708,000	100,186,000
Total liabilities	1,900,027,000	1,616,870,000
Commitments and contingencies
Stockholders' equity / Member's interest
Member's equity	1,087,558,000	1,050,882,000
Accumulated (deficit) earnings	(185,099,000)	(245,486,000)
Accumulated other comprehensive loss	(27,444,000)	(28,466,000)
Member's interest	875,015,000	776,930,000
Noncontrolling interest	1,378,000	1,362,000
Total member's interest	876,393,000	778,292,000
Total liabilities and stockholders' equity / member's interest	$ 2,776,420,000	$ 2,395,162,000