CONDENSED CONSOLIDATED BALANCE SHEETS - (Parenthetical) - USD ($) $ in Thousands	Jun. 28, 2025	Dec. 28, 2024
Current assets:
Allowance for doubtful accounts	$ 2,931	$ 3,724
Mueller Industries, Inc. stockholders' equity:
Preferred stock, par value (in dollars per share)	$ 1.00	$ 1.00
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	250,000,000	250,000,000
Common stock, shares issued (in shares)	160,366,008	160,366,008
Common stock, shares outstanding (in shares)	110,693,369	113,751,127