XML 78 R70.htm IDEA: XBRL DOCUMENT
v3.23.4

Fair Value of Financial Instruments (Parenthetical) (Detail) - 2.500% Senior Unsecured Notes Due 2031 [Member] | 9 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Jul. 01, 2021
Fair Value Of Financial Instruments [Line Items] |  |
Debt instrument, interest rate | 2.50% | 2.50%
Debt instrument, maturity year | 2031 |

X
- Definition Debt instrument maturity year. + References No definition available. + Details
Name: | exp_DebtInstrumentMaturityYear
Namespace Prefix: | exp_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of financial instruments. + References No definition available. + Details
Name: | exp_FairValueOfFinancialInstrumentsLineItems
Namespace Prefix: | exp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=exp_TwoPointFiveZeroZeroPercentageSeniorUnsecuredNotesDueTwoThousandThirtyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |