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Document and Entity Information
Aug. 01, 2024
Cover [Abstract]  
Document Type 8-K
Document Period End Date Aug. 01, 2024
Entity Registrant Name EAGLE MATERIALS INC
Entity Incorporation State Country Code DE
Entity File Number 1-12984
Entity Tax Identification Number 75-2520779
Entity Address Address Line 1 5960 Berkshire Ln.
Entity Address Address Line 2 Suite 900
Entity Address City Or Town Dallas
Entity Address State Or Province TX
Entity Address Postal Zip Code 75225
City Area Code 214
Local Phone Number 432-2000
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, $0.01 par value
Trading Symbol EXP
Security Exchange Name NYSE
Entity Emerging Growth Company false
Current Fiscal Year End Date --03-31
Amendment Flag false
Entity Central Index Key 0000918646