Debt - Covenants and Loss on Extinguishment (Details) $ in Millions	3 Months Ended
	Oct. 31, 2023 USD ($) item	Jan. 31, 2023	Jul. 31, 2022
Revolving Credit Facility
Debt Instrument [Line Items]
Total net leverage ratio		5.00	5.25
Senior Notes 5.375 Percent Due 2026 And Senior Notes 5.875 Percent Due 2029
Debt Instrument [Line Items]
Number of quarters for required fixed charge coverage ratio	4
Senior Notes 5.375 Percent Due 2026
Debt Instrument [Line Items]
Number of quarters for required fixed charge coverage ratio	4
Minimum | Revolving Credit Facility
Debt Instrument [Line Items]
Interest coverage ratio	2.50
Available capacity necessary for cash distributions | $	$ 50.0
Available capacity as percentage of Borrowing Base, necessary for cash distributions	15.00%
Maximum | Revolving Credit Facility
Debt Instrument [Line Items]
Secured leverage ratio	2.50
Maximum | Senior Notes 5.375 Percent Due 2026 And Senior Notes 5.875 Percent Due 2029
Debt Instrument [Line Items]
Total net leverage ratio	5.0
Maximum | Senior Notes 5.375 Percent Due 2026
Debt Instrument [Line Items]
Required fixed charge coverage ratio	1.75%
Maximum | Debt Covenant, First Specified Period | Revolving Credit Facility
Debt Instrument [Line Items]
Total net leverage ratio	4.75
Maximum | Debt Covenant, Fourth Specified Period | Revolving Credit Facility
Debt Instrument [Line Items]
Total net leverage ratio	4.75