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BOND PAYABLE (Details) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
	Jan. 31, 2021 USD ($) $ / shares	Feb. 28, 2022 USD ($)	Feb. 28, 2021 USD ($)	Feb. 29, 2020 USD ($)	Jan. 29, 2021 USD ($)	Jan. 28, 2021 USD ($)
Debt Instrument [Line Items]
Interest Expense		$ 7,871	$ 16,946	$ 11,820
Debt conversion carrying amount				5,250
Index shares, proceeds from exercise				$ (66,346)
ADS
Debt Instrument [Line Items]
Debt conversion carrying amount		0
Convertible bond
Debt Instrument [Line Items]
Interest Expense		$ 7,571
Notes
Debt Instrument [Line Items]
Principal amount					$ 1,050,000	$ 1,250,000
Interest rate (as a percent)	0.50%
Net proceeds from issuance of debt	$ 2,300,000
Debt Instrument Repurchase Price As Percentage To The Principal Amount	100.00%
Notes | ADS
Debt Instrument [Line Items]
Debt Instrument conversion ratio (per $1K principal amount)	12.4611
Conversion price (per share) | $ / shares	$ 80.25

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