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	Dec. 31, 2025	Mar. 31, 2025
Carrying Amount
Liabilities:
Long-term debt	$ 2,682,340	$ 3,277,915
Estimated Fair Value \| Level 2
Liabilities:
Long-term debt	2,725,374	3,235,009
A&E Term Loan Facility \| Carrying Amount
Liabilities:
Long-term debt	564,840	1,160,415
A&E Term Loan Facility \| Estimated Fair Value \| Level 2
Liabilities:
Long-term debt	569,782	1,156,063
2022 Secured Notes \| Carrying Amount
Liabilities:
Long-term debt	828,466	828,466
2022 Secured Notes \| Estimated Fair Value \| Level 2
Liabilities:
Long-term debt	828,466	799,470
2022 Unsecured Notes \| Carrying Amount
Liabilities:
Long-term debt	639,034	639,034
2022 Unsecured Notes \| Estimated Fair Value \| Level 2
Liabilities:
Long-term debt	644,626	627,851
2024 Secured Notes \| Carrying Amount
Liabilities:
Long-term debt	650,000	650,000
2024 Secured Notes \| Estimated Fair Value \| Level 2
Liabilities:
Long-term debt	$ 682,500	$ 651,625

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 4: http://www.xbrl.org/2003/role/exampleRef
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-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details