Investments in Unconsolidated Affiliates - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		66 Months Ended
	Jun. 26, 2021	Jun. 27, 2020	Jun. 26, 2021	Jun. 27, 2020	Jun. 26, 2021
Schedule of Equity Method Investments [Line Items]
Net income (loss)	$ 110,932	$ 28,487	$ 176,170	$ 62,438
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 income (loss)	$ (1,000)	$ (8,600)	$ (2,700)	$ (15,000)
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%
Cash invested to acquire joint venture interest					$ 5,000