v3.25.1
Debt - Covenants and Loss on Extinguishment (Details)
$ in Millions
3 Months Ended 9 Months Ended
Jan. 31, 2026
Oct. 31, 2025
Apr. 30, 2025
Jan. 31, 2025
Oct. 31, 2024
Apr. 30, 2025
USD ($)
item
Revolving Credit Facility            
Debt            
Total net leverage ratio     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           4
Senior Notes 5.375 Percent Due 2026            
Debt            
Number of quarters for required fixed charge coverage ratio           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
Maximum | Senior Notes 5.375 Percent Due 2026            
Debt            
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
Subsequent Event [Member] | Revolving Credit Facility            
Debt            
Total net leverage ratio 4.75 5