Senior Notes and Other Long-Term Debt - Components of Long-Term Debt (Detail) - USD ($) |
Dec. 31, 2021 |
Mar. 31, 2021 |
---|---|---|
Debt Instrument [Line Items] | ||
Finance lease obligations (see Note 1) | $ 48,227,000 | $ 56,336,000 |
Total debt | 2,196,836,000 | 1,854,597,000 |
Unamortized discount and debt issuance costs | (17,854,000) | (21,441,000) |
Less: current portion of long-term debt | 29,590,000 | 30,472,000 |
Total long-term debt | 2,149,392,000 | 1,802,684,000 |
2028 Notes [Member] | ||
Debt Instrument [Line Items] | ||
Principal amount of debt | 400,000,000 | 400,000,000 |
2027 Notes [Member] | ||
Debt Instrument [Line Items] | ||
Principal amount of debt | 600,000,000 | 600,000,000 |
2025 Notes [Member] | ||
Debt Instrument [Line Items] | ||
Principal amount of debt | 700,000,000 | 700,000,000 |
Revolving Credit Facility [Member] | ||
Debt Instrument [Line Items] | ||
Principal amount of debt | 370,000,000 | |
Ex-Im Credit Facility [Member] | ||
Debt Instrument [Line Items] | ||
Principal amount of debt | $ 78,609,000 | $ 98,261,000 |