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Investment in Unconsolidated Affiliates - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended | 60 Months Ended
--- | --- | --- | ---
Dec. 26, 2020 | Sep. 26, 2020 | Jun. 27, 2020 | Mar. 28, 2020 | Dec. 28, 2019 | Sep. 28, 2019 | Jun. 29, 2019 | Mar. 30, 2019 | Dec. 26, 2020 | Dec. 28, 2019 | Dec. 29, 2018 | Dec. 26, 2020
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net gains (losses) from unconsolidated affiliates | $ 37,254 | $ 43,957 | $ 28,487 | $ 33,951 | $ 29,973 | $ 30,444 | $ 28,676 | $ 17,139 | $ 143,649 | $ 106,232 | $ 106,820 |
Tecumseh Products Holdings LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest in joint venture | 50.00% |  |  |  |  |  |  |  | 50.00% |  |  | 50.00%
Net gains (losses) from unconsolidated affiliates |  |  |  |  |  |  |  |  | $ (10,400) | (22,000) |  |
Second Unconsolidated Affiliate [Member] |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest in joint venture | 50.00% |  |  |  |  |  |  |  | 50.00% |  |  | 50.00%
Cayan Ventures and Bahrain Mumtalakat Holding Company [Member] |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest in joint venture | 40.00% |  |  |  |  |  |  |  | 40.00% |  |  | 40.00%
Cash invested in joint venture |  |  |  |  |  |  |  |  |  |  |  | $ 5,000
Mueller Middle East BSC [Member] |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest in joint venture | 40.00% |  |  |  |  |  |  |  | 40.00% |  |  | 40.00%
Net gains (losses) from unconsolidated affiliates |  |  |  |  |  |  |  |  | $ 200 | $ (2,600) |  |
Sales to subsidiaries |  |  |  |  |  |  |  |  | $ 37,400 |  |  |

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