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. 26, 2020		$ 802	$ 280,051	$ 1,019,694	$ (54,883)	$ (468,919)	$ 24,315
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Acquisition (issuance) of shares under incentive stock option plans			553			(306)
Stock-based compensation expense			2,109
Net income attributable to Mueller Industries, Inc.	$ 63,107			63,107
Dividends paid or payable to stockholders of Mueller Industries, Inc.				(7,391)
Total other comprehensive income attributable to Mueller Industries, Inc.	6,776				6,355
Repurchase of common stock						(26)
Net income attributable to noncontrolling interests	(2,131)						2,131
Foreign currency translation	4,387						421
Balance at end of period at Mar. 27, 2021		802	282,713	1,075,410	(48,528)	(469,251)	26,867
Balance at beginning of period at Dec. 25, 2021	1,256,963	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			(252)
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
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	$ 1,406,144	$ 802	$ 288,802	$ 1,602,496	$ (47,442)	$ (474,258)	$ 35,744