Date when the acquirer obtains control of the acquiree, in YYYY-MM-DD format.

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-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

Business Combinations - Additional Information (Detail)	Jul. 30, 2021	Apr. 30, 2021
Southern Crushed Concrete
Business Acquisition [Line Items]
Acquisition date	Jul. 30, 2021
Tiller Corporation
Business Acquisition [Line Items]
Acquisition date		Apr. 30, 2021