Summary of Organization and Significant Accounting Policies - New Accounting Standards (Details) - USD ($) $ in Thousands |
12 Months Ended | |||
---|---|---|---|---|
Dec. 29, 2018 |
Dec. 30, 2017 |
Dec. 31, 2016 |
Dec. 30, 2018 |
|
New Accounting Standards | ||||
Other (income) loss, net | $ (15,516) | $ (5,303) | $ 1,361 | |
General and administrative expenses | (253,609) | (242,670) | (243,512) | |
Summit Materials, LLC | ||||
New Accounting Standards | ||||
Other (income) loss, net | (15,516) | (5,289) | 1,374 | |
General and administrative expenses | $ (253,609) | $ (242,670) | $ (243,512) | |
Minimum | Scenario, Forecast | Accounting Standards Update 2016-02 | ||||
New Accounting Standards | ||||
Right-of-use asset and liability | $ 30,000 | |||
Maximum | Scenario, Forecast | Accounting Standards Update 2016-02 | ||||
New Accounting Standards | ||||
Right-of-use asset and liability | $ 40,000 |