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v3.23.1

Discontinued Operations and Assets and Liabilities Held for Sale - Additional Information (Detail) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2023 USD ($) | Mar. 31, 2022 USD ($) | Jun. 30, 2022 Plant
Business Acquisition [Line Items] |  |  |
Cash used for operating and investing activities for discontinued operations | $ 5.4 | $ 14.0 |
Proceeds from divestitures | $ 1.6 | $ 8.6 |
Business combination number of California ready mix operations | Plant |  |  | 14

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- Definition Amount of capital expenditure attributable to discontinued operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -Subparagraph (c)(2) -URI https://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760 + Details
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