Investments in Unconsolidated Affiliates - Summarized Financial Information Derived from Equity Method Investees' Consolidated Financial Statements (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 26, 2021	Jun. 27, 2020	Jun. 26, 2021	Jun. 27, 2020	Dec. 26, 2020
Balance sheet data [Abstract]
Current assets	$ 1,081,995		$ 1,081,995		$ 825,361
Current liabilities	362,429		362,429		339,643
Income Statement [Abstract]
Net sales	1,012,592	$ 500,168	1,830,740	$ 1,103,087
Net income (loss)	110,932	28,487	176,170	62,438
Tecumseh
Balance sheet data [Abstract]
Current assets	194,383		194,383		167,451
Noncurrent assets	73,976		73,976		78,241
Current liabilities	145,300		145,300		120,202
Noncurrent liabilities	49,770		49,770		$ 50,020
Income Statement [Abstract]
Net sales	103,834	103,550	201,163	210,548
Gross profit	15,323	11,022	25,022	24,508
Net income (loss)	$ (2,038)	$ (17,282)	$ (5,337)	$ (29,967)