Debt instrument carrying value of repurchased notes.

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Represents the number of common stock with hedge transactions.

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Payments for capped call transactions costs.

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Represents the cash outflow from the amount paid for notes hedges.

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Pre-tax cost of debt percentage.

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Repayment of accrued interest on line of credit.

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Senior leverage ratio.

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Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

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Carrying amount of long-term convertible debt as of the balance sheet date, net of the amount due in the next twelve months or greater than the normal operating cycle, if longer. The debt is convertible into another form of financial instrument, typically the entity's common stock.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.

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The price per share of the conversion feature embedded in the debt instrument.

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Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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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Description of debt redemption features under terms of the debt agreement.

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Fair value amount of debt instrument that was repurchased.

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Amount, after accumulated amortization, of debt discount.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Description of the terms of a credit facility arrangement. Terms typically include interest rate, collateral required, guarantees required, repayment requirements, and restrictions on use of assets and activities of the entity.

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Date the credit facility terminates, in CCYY-MM-DD format.

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The effective interest rate during the reporting period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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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 of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt.

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Amount of revenue from collaborative arrangement. Excludes revenue from contract with customer under Topic 606.

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FINANCING ARRANGEMENTS (Details)			1 Months Ended		3 Months Ended		9 Months Ended
FINANCING ARRANGEMENTS (Details)	Nov. 19, 2020 USD ($)	Mar. 30, 2018 USD ($)	Nov. 30, 2019 USD ($)	Jul. 31, 2018 USD ($) $ / shares shares	Nov. 30, 2020 USD ($)	Nov. 30, 2019 USD ($)	Nov. 30, 2020 USD ($)	Nov. 30, 2019 USD ($)	May 15, 2020 USD ($)	Feb. 29, 2020 USD ($)	Apr. 12, 2019 USD ($)
Debt Instrument [Line Items]
Loss on extinguishment of debt						$ (2,408,000)		$ (2,408,000)
Remaining principal amount					$ 241,023,000		$ 241,023,000			$ 271,970,000
Repayment of revolving credit facility							20,000,000
Synovia Solutions LLC (“Synovia”) [Member]
Debt Instrument [Line Items]
Fair value of debt											$ 19,700,000
Pre-tax cost of debt percentage											4.70%
Unamortized discount											$ 1,500,000
Interest expense related to debt recognized					100,000	$ 200,000	400,000	500,000
Revenue recognized from arrangements with financial institutions							$ 4,900,000	$ 5,000,000.0
Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 50,000,000.0
Maturity date		Mar. 30, 2022
Credit facility bear interest							highest of (i) 0%, (ii) the rate of interest publicly announced by JP Morgan Chase Bank, N.A. (the “Agent”) as its prime rate in effect at its principal office in New York City, (iii) the overnight bank funding rate as determined by the Federal Reserve Bank of New York plus 0.50% and (iv) the LIBOR-based rate for a one-month interest period on such day plus 1%; or (b) for Eurodollar loans, the higher of (x) 1.00% and (y) the LIBOR-based rate for one, three or six months (as selected by the Company) for Eurodollar deposits. An applicable margin is added based on the Company’s senior leverage ratio, ranging from 1.50% to 2.00% for base rate loans, and from 2.50% to 3.00% for Eurodollar loans. We will also pay a commitment fee based on our senior leverage ratio ranging from 0.40% to 0.50%, payable quarterly in arrears, on the average daily unused amount of the Credit Facility
Credit facility interest rate							0.00%
Repayment of revolving credit facility	$ 20,000,000.0
Accrued interest	$ 100,000
Borrowings outstanding					$ 0		$ 0
Revolving Credit Facility \| Federal Home Loan Bank Of New York [Member]
Debt Instrument [Line Items]
Variable interest rate							0.50%
Revolving Credit Facility \| LIBOR [Member]
Debt Instrument [Line Items]
Variable interest rate							1.00%
Description of variable rate basis							LIBOR-based rate for one, three or six months
Revolving Credit Facility \| Eurodollar [Member]
Debt Instrument [Line Items]
Variable interest rate							1.00%
Revolving Credit Facility \| Minimum [Member] \| Eurodollar [Member]
Debt Instrument [Line Items]
Senior leverage ratio					2.50%		2.50%
Revolving Credit Facility \| Minimum [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Senior leverage ratio					1.50%		1.50%
Revolving Credit Facility \| Minimum [Member] \| Prime Rate [Member]
Debt Instrument [Line Items]
Senior leverage ratio					0.40%		0.40%
Revolving Credit Facility \| Maximum [Member] \| Eurodollar [Member]
Debt Instrument [Line Items]
Senior leverage ratio					3.00%		3.00%
Revolving Credit Facility \| Maximum [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Senior leverage ratio					2.00%		2.00%
Revolving Credit Facility \| Maximum [Member] \| Prime Rate [Member]
Debt Instrument [Line Items]
Senior leverage ratio					0.50%		0.50%
2025 Convertible Notes [Member]
Debt Instrument [Line Items]
Debt instrument, face amount				$ 230,000,000.0
Maturity date				Aug. 01, 2025
Interest rate (as a percent)				2.00%
Debt instrument, redemption, description							We may redeem the notes at our option at any time on or after August 6, 2022 at a cash redemption price equal to the principal amount plus accrued interest, but only if the last reported sale price per share of our stock exceeds 130% of the conversion price on (i) each of at least 20 trading days, whether or not consecutive, during the 30 consecutive trading days ending on, and including, the trading day immediately before the date we send the related redemption notice; and (ii) the trading day immediately before the date we send such notice.
Initial conversion price \| $ / shares				$ 30.7450
Number of common stock with hedge transactions \| shares				7,480,000
Conversion rate of shares of common stock				41.3875
Payments for notes hedges				$ 21,200,000
Purchase of note hedges, net of tax				15,900,000
2025 Convertible Notes [Member] \| Additional Paid-in Capital [Member]
Debt Instrument [Line Items]
Notes charge, equity component				$ 51,900,000
2020 Convertible Notes [Member]
Debt Instrument [Line Items]
Interest rate (as a percent)			1.625%			1.625%		1.625%	1.625%
Aggregate amount of notes repurchase			$ 94,900,000			$ 94,900,000		$ 94,900,000
Repurchases of notes			94,700,000
Carrying value of repurchased notes			92,300,000
Loss on extinguishment of debt			$ (2,400,000)
Remaining principal amount									$ 27,600,000
2025 Convertible Notes [Member]
Debt Instrument [Line Items]
Fair value of convertible notes					$ 191,000,000		$ 191,000,000			$ 197,000,000