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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | AOCI Attributable to Parent [Member] | Treasury Stock [Member] | Noncontrolling Interest [Member]
--- | --- | --- | --- | --- | --- | --- | ---
Balance at beginning of year (in shares) at Dec. 30, 2017 |  | 80,183 |  |  |  | 22,373 |
Balance at beginning of year at Dec. 30, 2017 |  | $ 802 | $ 274,585 | $ 743,503 | $ (51,056) | $ (445,723) | $ 13,917
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Issuance of shares under incentive stock option plans (in shares) |  |  |  |  |  | (57) |
Issuance of shares under incentive stock option plans |  |  | (278) |  |  | $ 1,136 |
Stock-based compensation expense |  |  | 8,035 |  |  |  |
Issuance of restricted stock (in shares) |  |  |  |  |  | (273) |
Issuance of restricted stock |  |  | (5,493) |  |  | $ 5,493 |
Net income attributable to Mueller Industries, Inc. | $ 104,459 |  |  | 104,459 |  |  |
Dividends paid or payable to stockholders of Mueller Industries, Inc. |  |  |  | (23,009) |  |  |
Reclassification of stranded effects of the Act |  |  |  | (556) | 556 |  |
Other adjustments |  |  |  | 340 |  |  |
Total other comprehensive income (loss) attributable to Mueller Industries, Inc. | (30,074) |  |  |  | (29,292) |  |
Repurchase of common stock (in shares) |  |  |  |  |  | 1,437 |
Repurchase of common stock |  |  |  |  |  | $ (35,146) |
Dividends paid to noncontrolling interests | 592 |  |  |  |  |  | (592)
Net income attributable to noncontrolling interests | (2,361) |  |  |  |  |  | 2,361
Foreign currency translation | (16,876) |  |  |  |  |  | (782)
Balance at end of year (in shares) at Dec. 29, 2018 |  | 80,183 |  |  |  | 23,480 |
Balance at end of year at Dec. 29, 2018 |  | $ 802 | 276,849 | 824,737 | (79,792) | $ (474,240) | 14,904
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Issuance of shares under incentive stock option plans (in shares) |  |  |  |  |  | (94) |
Issuance of shares under incentive stock option plans |  |  | (644) |  |  | $ 1,908 |
Stock-based compensation expense |  |  | 8,744 |  |  |  |
Issuance of restricted stock (in shares) |  |  |  |  |  | (314) |
Issuance of restricted stock |  |  | (6,340) |  |  | $ 6,340 |
Net income attributable to Mueller Industries, Inc. | 100,972 |  |  | 100,972 |  |  |
Dividends paid or payable to stockholders of Mueller Industries, Inc. |  |  |  | (22,639) |  |  |
Total other comprehensive income (loss) attributable to Mueller Industries, Inc. | 10,372 |  |  |  | 11,022 |  |
Repurchase of common stock (in shares) |  |  |  |  |  | 162 |
Repurchase of common stock |  |  |  |  |  | $ (4,251) |
Dividends paid to noncontrolling interests | 846 |  |  |  |  |  | (846)
Net income attributable to noncontrolling interests | (5,260) |  |  |  |  |  | 5,260
Foreign currency translation | 7,409 |  |  |  |  |  | (650)
Balance at end of year (in shares) at Dec. 28, 2019 |  | 80,183 |  |  |  | 23,234 |
Balance at end of year at Dec. 28, 2019 | 662,136 | $ 802 | 278,609 | 903,070 | (68,770) | $ (470,243) | 18,668
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Issuance of shares under incentive stock option plans (in shares) |  |  |  |  |  | (71) |
Issuance of shares under incentive stock option plans |  |  | (745) |  |  | $ 515 |
Stock-based compensation expense |  |  | 8,570 |  |  |  |
Issuance of restricted stock (in shares) |  |  |  |  |  | (315) |
Issuance of restricted stock |  |  | (6,383) |  |  | $ 6,383 |
Net income attributable to Mueller Industries, Inc. | 139,493 |  |  | 139,493 |  |  |
Dividends paid or payable to stockholders of Mueller Industries, Inc. |  |  |  | (22,869) |  |  |
Total other comprehensive income (loss) attributable to Mueller Industries, Inc. | 15,378 |  |  |  | 13,887 |  |
Repurchase of common stock (in shares) |  |  |  |  |  | 248 |
Repurchase of common stock |  |  |  |  |  | $ (5,574) |
Dividends paid to noncontrolling interests | 0 |  |  |  |  |  | 0
Net income attributable to noncontrolling interests | (4,156) |  |  |  |  |  | 4,156
Foreign currency translation | 10,350 |  |  |  |  |  | 1,491
Balance at end of year (in shares) at Dec. 26, 2020 |  | 80,183 |  |  |  | 23,096 |
Balance at end of year at Dec. 26, 2020 | $ 801,060 | $ 802 | $ 280,051 | $ 1,019,694 | $ (54,883) | $ (468,919) | $ 24,315

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