LONG-TERM DEBT - Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands	Jul. 31, 2022	Jan. 31, 2022	Apr. 30, 2021
Debt Instrument [Line Items]
Less: unamortized debt discounts and issuance costs	$ (7,184)	$ (8,046)
Total debt	407,816	406,954
Less: current maturities	0	0
Long-term debt	407,816	406,954
2021 Notes
Debt Instrument [Line Items]
Long-term debt outstanding	315,000	315,000
Term Loan
Debt Instrument [Line Items]
Long-term debt outstanding	$ 100,000	$ 100,000	$ 100,000

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of unamortized debt discount (premium) and debt issuance costs.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

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