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Document and Entity Information
May 08, 2025
Cover [Abstract]  
Entity Registrant Name MUELLER INDUSTRIES INC
Amendment Flag false
Entity Central Index Key 0000089439
Document Type 8-K
Document Period End Date May 08, 2025
Entity Incorporation State Country Code DE
Entity File Number 1-6770
Entity Tax Identification Number 25-0790410
Entity Address, Address Line One 150 Schilling Blvd.
Entity Address, Address Line Two Suite 100
Entity Address, City or Town Collierville
Entity Address, State or Province TN
Entity Address, Postal Zip Code 38017
City Area Code (901)
Local Phone Number 753-3200
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 MLI
Security Exchange Name NYSE
Entity Emerging Growth Company false