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Goodwill And Intangible Assets, Net - Estimated Amortization Expense (Details)
$ in Thousands
Jul. 31, 2020
USD ($)
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]  
2021 $ 8,711
2022 7,322
2023 6,995
2024 6,720
2025 4,719
Ferrellgas, L.P. [Member]  
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]  
2021 8,711
2022 7,322
2023 6,995
2024 6,720
2025 $ 4,719