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)