CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 24, 2022	Sep. 30, 2023	Sep. 24, 2022
Statement of Comprehensive Income [Abstract]
Consolidated net income	$ 135,709	$ 155,813	$ 490,353	$ 522,585
Other comprehensive (loss) income, net of tax:
Foreign currency translation	(9,078)	(28,179)	8,898	(44,086)
Net change with respect to derivative instruments and hedging activities, net of tax of $(93), $352, $410, and $3,198	324	(1,179)	(1,401)	(10,974)
Net change in pension and postretirement obligation adjustments, net of tax of $(15), $(573), $(3), and $(676)	0	1,608	1	1,729
Attributable to unconsolidated affiliates, net of tax of $(64), $56, $(540), and $(1,224)	222	(191)	1,860	4,218
Total other comprehensive (loss) income, net	(8,532)	(27,941)	9,358	(49,113)
Consolidated comprehensive income	127,177	127,872	499,711	473,472
Comprehensive (income) loss attributable to noncontrolling interests	(3,280)	148	(6,938)	(167)
Comprehensive income attributable to Mueller Industries, Inc.	$ 123,897	$ 128,020	$ 492,773	$ 473,305