CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2025	Mar. 30, 2024
Statement of Comprehensive Income [Abstract]
Consolidated net income	$ 159,287	$ 141,709
Other comprehensive income (loss), net of tax:
Foreign currency translation	2,919	(4,155)
Net change with respect to derivative instruments and hedging activities, net of tax of $(594) and $(93)	2,046	327
Net change in pension and postretirement obligation adjustments, net of tax of $(822) and $(17)	2,495	36
Attributable to unconsolidated affiliates, net of tax of $817 and $395	(2,814)	(1,362)
Total other comprehensive income (loss), net	4,646	(5,154)
Consolidated comprehensive income	163,933	136,555
Comprehensive income attributable to noncontrolling interests	(1,059)	(2,725)
Comprehensive income attributable to Mueller Industries, Inc.	$ 162,874	$ 133,830