Debt - Covenants and Loss on Extinguishment (Details) $ in Millions	3 Months Ended						12 Months Ended
	Jan. 31, 2026	Oct. 31, 2025	Jul. 31, 2025	Apr. 30, 2025	Jan. 31, 2025	Oct. 31, 2024	Jul. 31, 2025 USD ($) item
Revolving Credit Facility
Debt
Total net leverage ratio	4.75	5	4.75	4.75	5.25	4.75
Senior Notes 5.375 Percent Due 2026 And Senior Notes 5.875 Percent Due 2029
Debt
Number of quarters for required fixed charge coverage ratio | item							4
Minimum | Revolving Credit Facility
Debt
Interest coverage ratio							2.5
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
Secured leverage ratio							2.5
Maximum | Senior Notes 5.375 Percent Due 2026 And Senior Notes 5.875 Percent Due 2029
Debt
Total net leverage ratio							5
Required fixed charge coverage ratio							1.75%
Maximum | Debt Covenant, First Specified Period | Revolving Credit Facility
Debt
Total net leverage ratio							4.75
Maximum | Debt Covenant, Fourth Specified Period. | Revolving Credit Facility
Debt
Total net leverage ratio							4.75