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PROPERTY AND EQUIPMENT, NET - Additional information (Details) - USD ($)
$ in Thousands
12 Months Ended
Feb. 28, 2022
Feb. 28, 2021
Feb. 29, 2020
PROPERTY AND EQUIPMENT, NET      
Depreciation $ 171,354 $ 136,960 $ 99,511
Impairment loss of property and equipment and leasehold improvements 255,959    
Amount of accumulated impairment loss written off $ 226,000