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Acquisitions - Condensed Pro Forma Consolidated Results of Operations (Details) - Nehring Electrical Works Company - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 29, 2024 | Jun. 29, 2024
Business Combination [Line Items] |  |
Net sales | $ 1,048,353 | $ 1,981,861
Net income attributable to Mueller Industries, Inc. | $ 159,922 | $ 299,557
Basic earnings per share (in dollars per share) | $ 1.44 | $ 2.69
Diluted earnings per share (in dollars per share) | $ 1.40 | $ 2.63

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