v3.26.3
Net loss per Unitholders' interest (Details) - USD ($)
 12 Months Ended
Mar. 04, 2026
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2024
Net (loss) earnings per unitholders' interest        
Value of dilutive securities   $ 0    
Net earnings (loss) attributable to Ferrellgas Partners, L.P.   71,733,000 $ (15,566,000) $ 110,216,000
Less: Distributions to preferred unitholders   65,231,000 64,068,000 64,778,000
Less: Distributions to Class B unitholders   107,016,000   99,996,000
Less: General partner's interest in net earnings   1,245,000 (155,000) 1,102,000
Undistributed net loss attributable to Class A unitholders   $ (101,759,000) $ (79,479,000) $ (55,660,000)
Basic net loss per Class A Unit   $ (13.9) $ (16.36) $ (11.46)
Diluted net loss per Class A Unit (Note S)   $ (13.9) $ (16.36) $ (11.46)
Allocation of earnings to Class B units relative to allocation to Class A units   6    
General partner distributions   $ 1,000,000 $ 1,000,000 $ 1,000,000
Class A Limited Partner Units        
Net (loss) earnings per unitholders' interest        
Undistributed net loss attributable to Class A unitholders   $ (101,759,000) $ (79,479,000) $ (55,660,000)
Weighted average Class A Units outstanding, Basic   7,322,500 4,857,600 4,857,600
Weighted average Class A Units outstanding, Diluted   7,322,500 4,857,600 4,857,600
Basic net loss per Class A Unit   $ (13.9) $ (16.36) $ (11.46)
Diluted net loss per Class A Unit (Note S)   $ (13.9) $ (16.36) $ (11.46)
Class B Limited Partner Units        
Net (loss) earnings per unitholders' interest        
Percentage of allocated earnings   100.00%    
General partner distributions $ 107,000,000