Subsequent Events (Details) - Subsequent Events. - D.L. Building Materials, Inc $ in Millions, $ in Millions	Feb. 01, 2021 USD ($) item	Feb. 01, 2021 CAD ($) item
Subsequent Events
Aggregate purchase price	$ 39.1	$ 50.0
Number Of Locations	2	2

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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-Publisher FASB
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