FINANCING ARRANGEMENTS (Summary of Debt) (Details) - USD ($) $ in Thousands	9 Months Ended
Nov. 30, 2019	Feb. 28, 2019
Debt Instrument [Line Items]
Total term debt	$ 272,766	$ 352,527
Unamortized discount and issuance costs	(63,433)	(76,622)
Less: Current portion of long-term term debt	(32,955)
Long-term debt, net of current portion	$ 176,378	275,905
2020 Convertible Notes, 1.625% Fixed Rate [Member]
Debt Instrument [Line Items]
Maturity Date	May 15, 2020
Effective Interest Rate	6.20%
Total term debt	$ 27,599	122,527
2025 Convertible Notes, 2.00% Fixed Rate [Member]
Debt Instrument [Line Items]
Maturity Date	Aug. 01, 2025
Effective Interest Rate	7.56%
Total term debt	$ 230,000	$ 230,000
Due to Factors [Member]
Debt Instrument [Line Items]
Effective Interest Rate	4.70%
Maturity Date	2020 2021 2022 2023 2024
Total term debt	$ 15,167

Year of expiration or mandatory redemption of the financial instrument issued in exchange for the original debt being converted in a noncash or part noncash transaction, in CCYY format.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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

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

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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 after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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