CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2023	Mar. 26, 2022
Statement of Comprehensive Income [Abstract]
Consolidated net income	$ 175,093	$ 159,248
Other comprehensive income, net of tax:
Foreign currency translation	10,251	1,213
Net change with respect to derivative instruments and hedging activities, net of tax of $(272) and $(604)	954	2,091
Net change in pension and postretirement obligation adjustments, net of tax of $11 and $(134)	(8)	420
Attributable to unconsolidated affiliates, net of tax of $(373) and $(624)	1,285	2,148
Total other comprehensive income, net	12,482	5,872
Consolidated comprehensive income	187,575	165,120
Comprehensive income attributable to noncontrolling interests	(2,112)	(899)
Comprehensive income attributable to Mueller Industries, Inc.	$ 185,463	$ 164,221