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Investments in Unconsolidated Affiliates - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 45 Months Ended
--- | --- | --- | ---
Sep. 28, 2019 | Sep. 29, 2018 | Sep. 28, 2019 | Sep. 29, 2018 | Sep. 28, 2019
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Net loss | $ (3,952) | $ (5,007) | $ (43,671) | $ (22,867) |
Tecumseh Products Holdings LLC [Member] |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Interest in the joint venture, ownership percentage | 50.00% |  | 50.00% |  | 50.00%
Net loss | $ (1,900) | (2,500) | $ (21,800) | (15,400) |
Second Unconsolidated Affiliate [Member] |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Interest in the joint venture, ownership percentage | 50.00% |  | 50.00% |  | 50.00%
Mueller Middle East [Member] |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Interest in the joint venture, ownership percentage | 40.00% |  | 40.00% |  | 40.00%
Net loss | $ (500) | $ (500) | $ (1,900) | (2,100) |
Cash invested to acquire joint venture interest |  |  |  |  | $ 5,000
Labor Claim [Member] | Tecumseh Products Holdings LLC [Member] |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Contingency charge |  |  |  | 3,000 |
Brazilian Federal Revenue Agency | Tecumseh Products Holdings LLC [Member] |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Net loss |  |  |  | $ 7,000 |

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