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Investment in Unconsolidated Affiliates - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 28, 2019 | Dec. 29, 2018
Schedule of Equity Method Investments [Line Items] |  |
Net loss | $ (44,053) | $ (20,049)
Tecumseh Products Holdings LLC [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Interest in joint venture | 50.00% |
Net loss | $ (22,000) | (14,000)
Gain on settlement |  | 7,000
Second Unconsolidated Affiliate [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Interest in joint venture | 50.00% |
Cayan Ventures and Bahrain Mumtalakat Holding Company [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Interest in joint venture | 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% |
Net loss | $ (2,600) | (2,600)
Labor Claim [Member] | Tecumseh Products Holdings LLC [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Loss related to certain labor claim contingencies |  | $ (3,000)

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