Consolidated Statements of Operations (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 27, 2014	Dec. 28, 2013	Dec. 29, 2012
Revenue:
Product	$ 838,026	$ 593,570	$ 588,762
Service	366,205	322,631	337,492
Total revenue	1,204,231	916,201	926,254
Cost of revenue (excluding items shown separately below):
Product	598,732	430,172	444,569
Service	288,428	246,880	268,777
Total cost of revenue	887,160	677,052	713,346
General and administrative expenses	150,732	142,000	127,215
Goodwill impairment		68,202
Depreciation, depletion, amortization and accretion	87,826	72,934	68,290
Transaction costs	8,554	3,990	1,988
Operating (loss) income	69,959	(47,977)	15,415
Other income, net	(3,447)	(1,737)	(1,182)
Loss on debt financings		3,115	9,469
Interest expense	86,742	56,443	58,079
(Loss) income from continuing operations before taxes	(13,336)	(105,798)	(50,951)
Income tax benefit	(6,983)	(2,647)	(3,920)
Loss from continuing operations	(6,353)	(103,151)	(47,031)
(Income) loss from discontinued operations	(71)	528	3,546
Net loss	(6,282)	(103,679)	(50,577)
Net income attributable to noncontrolling interest	2,495	3,112	1,919
Net loss attributable to member of Summit Materials, LLC	$ (8,777)	$ (106,791)	$ (52,496)