v3.25.1
Basis of Presentation (Details)
1 Months Ended 5 Months Ended
Nov. 04, 2024
shares
Nov. 04, 2024
Segment
shares
Mar. 29, 2025
Segment
Basis of Presentation [Abstract]      
Number of shares of Magnera's common stock each Berry stockholder received (in shares) 0.276305 0.276305  
Number of Berry shares held to receive .276305 shares of Magnera's common stock (in shares) 1 1  
Reverse stock split ratio 0.076923    
Number of reportable segments | Segment   4 3