FINANCING ARRANGEMENTS (Details)					1 Months Ended		12 Months Ended
	May 15, 2020 USD ($)	Apr. 16, 2020 USD ($)	Jul. 28, 2018 USD ($)	Jul. 20, 2018 USD ($)	Nov. 30, 2019 USD ($)	Jul. 31, 2018 USD ($) shares	Feb. 28, 2023 USD ($)	Feb. 28, 2022 USD ($)	Feb. 28, 2021 USD ($)	Jul. 13, 2022 USD ($)	Apr. 12, 2019 USD ($)	May 31, 2015 USD ($)
Debt Instrument [Line Items]
Repayment of revolving credit facility									$ 20,000,000
Repayments of convertible debt									27,599,000
Synovia Solutions LLC (“Synovia”) [Member]
Debt Instrument [Line Items]
Percentage of subscription contract value on sales price paid											80.00%
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	500,000
Non-cash revenue recognized from arrangements with financial institutions							2,700,000	4,600,000	$ 6,300,000
2025 Convertible Notes [Member]
Debt Instrument [Line Items]
Fair value of convertible notes							$ 201,000,000.0	$ 209,000,000.0
Debt instrument, face amount				$ 230,000,000.0
Fixed interest rate				2.00%
Proceeds from sale of notes				$ 222,700,000
Issuance costs			$ 7,300,000	7,300,000
Amount utilized from net proceeds of offering				90,000,000.0
Purchase of note hedges, net of tax				21,200,000		$ 15,900,000
Repurchase of common stock				15,000,000.0
Indebtedness for excess money borrowed				10,000,000
Indebtedness, entry of judgments for payment				$ 15,000,000
Debt instrument, covenant description							The 2025 Convertible Notes contain customary terms and conditions, including that upon certain events of default occurring and continuing, either the trustee, by notice to us, or the holders of at least 25% in aggregate principal amount of the then outstanding Notes, by notice to us and the trustee, may declare the principal amount of, and all accrued and unpaid interest on, all of the 2025 Convertible Notes then outstanding to become due and payable immediately. Such events of default include, without limitation, the default by us or any of our subsidiaries with respect to indebtedness for borrowed money in excess of $10 million and the entry of judgments for the payment of $15 million or more against us or any of our subsidiaries, which are not paid, discharged or stayed within 60 days.
Maturity date				Aug. 01, 2025
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.
Number of common stock with hedge transactions | shares						7,480,000
Conversion rate of shares of common stock			32.5256			41.3875
Payments for notes hedges						$ 21,200,000
2025 Convertible Notes [Member] | Additional Paid in Capital [Member]
Debt Instrument [Line Items]
Notes repurchase price, equity component							$ 51,900,000
2020 Convertible Notes [Member]
Debt Instrument [Line Items]
Fair value of convertible notes						47,600,000
Debt instrument, face amount												$ 172,500,000
Fixed interest rate												1.625%
Aggregate amount of notes repurchase				$ 50,000,000	$ 94,900,000	50,000,000
Repurchases of notes including accrued interest				$ 53,800,000	94,700,000	53,800,000
Allocated notes repurchase price						53,700,000
Notes repurchase price, equity component						6,100,000
Carrying value of repurchased notes					92,300,000	45,600,000
Loss on extinguishment of debt					2,400,000	2,000,000.0
Fair value of the liability					$ 94,700,000
Repayments of convertible debt	$ 27,600,000
2020 Convertible Notes [Member] | Additional Paid in Capital [Member]
Debt Instrument [Line Items]
Proceeds from unwind of the note hedge and warrants						$ 3,100,000
2020 Convertible Notes [Member] | Discount Rate [Member]
Debt Instrument [Line Items]
Market interest rate used to discount nonconvertible debt						4.36
Paycheck Protection Program [Member] | JPMorgan Chase Bank, N.A [Member]
Debt Instrument [Line Items]
Proceeds from loan amount		$ 10,000,000
Maximum [Member] | 2025 Convertible Notes [Member]
Debt Instrument [Line Items]
Debt instrument, default judgment payment period				60 days
Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity										$ 50,000,000.0
Line of credit facility, borrowing capacity, description							On July 13, 2022, we replaced our revolving credit facility with JP Morgan Chase Bank, N.A. and we entered into a new revolving credit facility with PNC Bank, N.A., that provides for an asset-based senior secured revolving credit facility for borrowings up to an aggregate of $50.0 million, subject to certain conditions, including borrowing base provisions that limit borrowing capacity to 80% of eligible accounts receivable and 50% of eligible inventory.
Expire date							Jul. 13, 2025
Borrowings outstanding							$ 0
Letters of credit outstanding							2,600,000
Line of credit facility remaining borrowing availability							34,200,000
Unused availability of credit facility amount							$ 40,000,000.0
Revolving Credit Facility | Base Rate [Member]
Debt Instrument [Line Items]
Variable interest rate							1.50%
Revolving Credit Facility | Bloomberg Short Term Bank Yield Rate [Member]
Debt Instrument [Line Items]
Variable interest rate							2.50%
Revolving Credit Facility | Accounts Receivable [Member]
Debt Instrument [Line Items]
Line of credit facility borrowing capacity eligible percentage							80.00%
Revolving Credit Facility | Inventory [Member]
Debt Instrument [Line Items]
Line of credit facility borrowing capacity eligible percentage							50.00%
Revolving Credit Facility | Minimum [Member]
Debt Instrument [Line Items]
Line of credit facility, Unused fee percentage							0.50%
Line of credit, fixed charge coverage rate							1.10%
Revolving Credit Facility | Maximum [Member]
Debt Instrument [Line Items]
Line of credit facility, Unused fee percentage							0.75%
Line of credit, fixed charge coverage rate							1.00%
Revolving Credit Facility | P N C Bank [Member]
Debt Instrument [Line Items]
Unused availability of credit facility amount							$ 25,000,000.0