CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2022	Mar. 27, 2021
Statement of Comprehensive Income [Abstract]
Consolidated net income	$ 159,248	$ 65,238
Other comprehensive income, net of tax:
Foreign currency translation	1,213	4,387
Net change with respect to derivative instruments and hedging activities, net of tax of $(604), $(147)	2,091	493
Net change in pension and postretirement obligation adjustments, net of tax of $(134), $56	420	(91)
Attributable to unconsolidated affiliates, net of tax of $(624), $(577)	2,148	1,987
Total other comprehensive income, net	5,872	6,776
Consolidated comprehensive income	165,120	72,014
Comprehensive income attributable to noncontrolling interests	(899)	(2,552)
Comprehensive income attributable to Mueller Industries, Inc.	$ 164,221	$ 69,462