Acquisitions - Condensed Pro Forma Consolidated Results of Operations (Details) - Nehring Electrical Works Company $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 30, 2024 USD ($) $ / shares
Business Acquisition [Line Items]
Net sales \| $	$ 933,509
Net income attributable to Mueller Industries, Inc. \| $	$ 139,635
Basic earnings per share (in dollars per share) \| $ / shares	$ 1.25
Diluted earnings per share (in dollars per share) \| $ / shares	$ 1.22

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479328/805-10-50-2

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