CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Statement of Comprehensive Income [Abstract]
Consolidated net income	$ 475,124	$ 143,649	$ 106,232
Other comprehensive (loss) income, net of tax:
Foreign currency translation	(6,730)	10,350	7,409
Net change with respect to derivative instruments and hedging activities, net of tax of $47, $(146), and $(195)	(181)	508	690
Net change in pension and postretirement obligation adjustments, net of tax of $(1,379), $(1,560), and $(671)	5,703	4,652	3,112
Attributable to unconsolidated affiliates, net of tax of $(284), $38, and $244	978	(132)	(839)
Total other comprehensive (loss) income, net	(230)	15,378	10,372
Consolidated comprehensive income	474,894	159,027	116,604
Comprehensive income attributable to noncontrolling interests	(4,838)	(5,647)	(4,610)
Comprehensive income attributable to Mueller Industries, Inc.	$ 470,056	$ 153,380	$ 111,994