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Acquisitions - Schedule of Revenue and Operating Earnings Related to Business Acquisition (Details) - Con Agg Acquisition [Member] $ in Thousands | 11 Months Ended
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Mar. 31, 2023 USD ($)
Business Acquisition [Line Items] |
Revenue | $ 44,546
Operating Earnings | $ 1,615

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- Definition Business acquisition, operating earnings. + References No definition available. + Details
Name: | exp_BusinessAcquisitionOperatingEarnings
Namespace Prefix: | exp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total revenue reported by the acquired entity for its previous full fiscal year before the business acquisition. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionRevenueReportedByAcquiredEntityForLastAnnualPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=exp_ConAggAcquisitionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |