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Goodwill And Intangible Assets, Net - Estimated Amortization Expense (Details)
$ in Thousands
Jul. 31, 2019
USD ($)
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]  
2020 $ 9,121
2021 8,382
2022 6,993
2023 6,666
2024 6,390
Ferrellgas, L.P. [Member]  
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]  
2020 9,121
2021 8,382
2022 6,993
2023 6,666
2024 $ 6,390