CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated other comprehensive loss	Treasury Stock	Noncontrolling Interest
Balance at beginning of period at Dec. 25, 2021		$ 802	$ 286,208	$ 1,458,489	$ (53,347)	$ (470,034)	$ 34,845
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Acquisition (issuance) of shares under incentive stock option plans			21
Stock-based compensation expense			2,573
Net income attributable to Mueller Industries, Inc.	$ 158,316			158,316
Dividends paid or payable to stockholders of Mueller Industries, Inc.				(14,309)
Total other comprehensive income attributable to Mueller Industries, Inc.	5,872				5,905
Acquisition (issuance) of shares under incentive stock option plans						(252)
Repurchase of common stock						(3,972)
Net income attributable to noncontrolling interests	(932)						932
Foreign currency translation	1,213						(33)
Balance at end of period at Mar. 26, 2022		802	288,802	1,602,496	(47,442)	(474,258)	35,744
Balance at beginning of period at Dec. 31, 2022	1,813,964	802	297,270	2,059,796	(64,175)	(502,779)	23,050
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Acquisition (issuance) of shares under incentive stock option plans			226
Stock-based compensation expense			5,637
Net income attributable to Mueller Industries, Inc.	173,239			173,239
Dividends paid or payable to stockholders of Mueller Industries, Inc.				(17,096)
Total other comprehensive income attributable to Mueller Industries, Inc.	12,482				12,224
Acquisition (issuance) of shares under incentive stock option plans						(2,837)
Repurchase of common stock						0
Net income attributable to noncontrolling interests	(1,854)						1,854
Foreign currency translation	10,251						258
Balance at end of period at Apr. 01, 2023	$ 1,987,469	$ 802	$ 303,133	$ 2,215,939	$ (51,951)	$ (505,616)	$ 25,162