CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2022	Jun. 26, 2021	Jun. 25, 2022	Jun. 26, 2021
Statement of Comprehensive Income [Abstract]
Consolidated net income	$ 207,524	$ 110,932	$ 366,772	$ 176,170
Other comprehensive (loss) income, net of tax:
Foreign currency translation	(17,120)	3,515	(15,907)	7,902
Net change with respect to derivative instruments and hedging activities, net of tax of $3,450, $961, $2,846, and $814	(11,886)	(3,337)	(9,795)	(2,844)
Net change in pension and postretirement obligation adjustments, net of tax of $31, $1, $(103), and $57	(299)	74	121	(17)
Attributable to unconsolidated affiliates, net of tax of $(656), $219, $(1,280), and $(358)	2,261	(753)	4,409	1,234
Total other comprehensive (loss) income, net	(27,044)	(501)	(21,172)	6,275
Consolidated comprehensive income	180,480	110,431	345,600	182,445
Comprehensive loss (income) attributable to noncontrolling interests	584	(1,333)	(315)	(3,885)
Comprehensive income attributable to Mueller Industries, Inc.	$ 181,064	$ 109,098	$ 345,285	$ 178,560