CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 24, 2022	Sep. 25, 2021	Sep. 24, 2022	Sep. 25, 2021
Statement of Comprehensive Income [Abstract]
Consolidated net income	$ 155,813	$ 172,256	$ 522,585	$ 348,426
Other comprehensive (loss) income, net of tax:
Foreign currency translation	(28,179)	(8,569)	(44,086)	(667)
Net change with respect to derivative instruments and hedging activities, net of tax of $352, $(610), $3,198, and $204	(1,179)	2,122	(10,974)	(722)
Net change in pension and postretirement obligation adjustments, net of tax of $(573), $(137), $(676), and $(80)	1,608	493	1,729	476
Attributable to unconsolidated affiliates, net of tax of $56, $(284), $(1,224), and $(642)	(191)	977	4,218	2,211
Total other comprehensive (loss) income, net	(27,941)	(4,977)	(49,113)	1,298
Consolidated comprehensive income	127,872	167,279	473,472	349,724
Comprehensive loss (income) attributable to noncontrolling interests	148	(192)	(167)	(4,077)
Comprehensive income attributable to Mueller Industries, Inc.	$ 128,020	$ 167,087	$ 473,305	$ 345,647