v3.26.1
Description of Business, Basis of Preparation and Summary of Significant Accounting Policies - Carrying Amounts and Estimated Fair Market Values of Debt (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Mar. 31, 2026
Carrying Amount    
Liabilities:    
Long-term debt $ 2,629,047 $ 2,632,340
Carrying Amount | A&E Term Loan Facility    
Liabilities:    
Long-term debt 551,547 554,840
Carrying Amount | 2022 Secured Notes    
Liabilities:    
Long-term debt 828,466 828,466
Carrying Amount | 2022 Unsecured Notes    
Liabilities:    
Long-term debt 599,034 599,034
Carrying Amount | 2024 Secured Notes    
Liabilities:    
Long-term debt 650,000 650,000
Estimated Fair Value | Level 2    
Liabilities:    
Long-term debt 2,634,876 2,626,317
Estimated Fair Value | A&E Term Loan Facility | Level 2    
Liabilities:    
Long-term debt 553,616 553,453
Estimated Fair Value | 2022 Secured Notes | Level 2    
Liabilities:    
Long-term debt 823,288 817,075
Estimated Fair Value | 2022 Unsecured Notes | Level 2    
Liabilities:    
Long-term debt 599,034 596,039
Estimated Fair Value | 2024 Secured Notes | Level 2    
Liabilities:    
Long-term debt $ 658,938 $ 659,750