CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) shares in Thousands, $ in Thousands |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Sep. 26, 2026 |
Sep. 27, 2025 |
Sep. 26, 2026 |
Sep. 27, 2025 |
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| Income Statement [Abstract] | ||||||
| Net sales | $ 1,418,598 | $ 1,077,824 | $ 4,039,526 | $ 3,216,162 | ||
| Cost of goods sold | 1,057,156 | 738,148 | 2,924,294 | 2,251,527 | ||
| Depreciation and amortization | 21,173 | 16,607 | 55,160 | 51,635 | ||
| Selling, general, and administrative expense | 63,048 | 61,657 | 197,683 | 192,238 | ||
| (Gain) loss on disposal of assets, net | 0 | (11,852) | 1,720 | (26,654) | ||
| Gain on sale of business | 0 | 0 | (41,407) | 0 | ||
| Asset impairments | 0 | 2,018 | 2,653 | 2,018 | ||
| Gain on insurance proceeds | (4,352) | (4,869) | (4,352) | (41,147) | ||
| Operating income | 281,573 | 276,115 | 903,775 | 786,545 | ||
| Interest expense | (136) | (6) | (270) | (48) | ||
| Interest income | 12,002 | 10,822 | 34,850 | 28,945 | ||
| Unrealized gains (losses) on short-term investments | 5,859 | (2,277) | 10,367 | 5,925 | ||
| Pension plan termination expense | 0 | (4,830) | 0 | (4,830) | ||
| Other (expense) income, net | (62) | 627 | (2,421) | (423) | ||
| Income before income taxes | 299,236 | 280,451 | 946,301 | 816,114 | ||
| Income tax expense | (76,607) | (73,904) | (239,031) | (204,236) | ||
| Income from unconsolidated affiliates, net of foreign tax | 1,688 | 3,701 | 8,723 | 6,140 | ||
| Consolidated net income | 224,317 | 210,248 | 715,993 | 618,018 | ||
| Net income attributable to noncontrolling interests | (3,117) | (2,125) | (6,120) | (6,539) | ||
| Net income attributable to Mueller Industries, Inc. | $ 221,200 | $ 208,123 | $ 709,873 | $ 611,479 | ||
| Weighted average shares for basic earnings per share (in shares) | [1] | 216,988 | 218,228 | 217,530 | 219,066 | |
| Effect of dilutive stock-based awards (in shares) | [1] | 3,129 | 3,632 | 3,513 | 4,230 | |
| Adjusted weighted average shares for diluted earnings per share (in shares) | [1] | 220,117 | 221,860 | 221,043 | 223,296 | |
| Basic earnings per share (in dollars per share) | [1] | $ 1.02 | $ 0.95 | $ 3.26 | $ 2.79 | |
| Diluted earnings per share (in dollars per share) | [1] | 1.00 | 0.94 | 3.21 | 2.74 | |
| Dividends per share (in dollars per share) | [1] | $ 0.175 | $ 0.125 | $ 0.525 | $ 0.375 | |
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- Definition Defined Benefit Plans, Termination Expenses No definition available.
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- Definition Amount of impairment loss for asset. Includes, but is not limited to, tangible and intangible assets and goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Cost of product sold and service rendered, excluding depreciation, depletion, and amortization. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of realized and unrealized gain (loss) on investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of gain (loss) on sale or disposal of other assets. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of income (loss) for proportionate share of equity method investee's income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of excess (deficiency) of insurance recovery over the loss incurred from an insured event. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of interest expense classified as nonoperating. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of Net Income (Loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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