v3.26.1
ORGANIZATION AND PRINCIPAL ACTIVITIES - Financial information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Feb. 28, 2026
Feb. 28, 2025
Feb. 29, 2024
Balance Sheet      
Cash and cash equivalents $ 1,523,879 $ 1,771,260  
Other current assets 19,154 12,275  
Total current assets 3,843,118 4,126,920  
Property and equipment, net 500,710 472,366  
Total assets 5,936,289 5,503,067  
Deferred revenue, current 832,839 624,272  
Other current liabilities 97 93  
Total current liabilities 1,767,186 1,441,345  
Total liabilities 2,162,603 1,736,669  
Income And Cash Flow Statement      
Total net revenues 3,008,908 2,250,233 $ 1,490,440
Net (loss) / income 530,138 84,260 (4,138)
Net cash provided by operating activities 601,467 397,923 306,172
Net cash used in investing activities (175,746) (847,028) 95,068
Net cash used in financing activities (643,512) (13,167) (233,095)
VIE's      
Balance Sheet      
Cash and cash equivalents 390,414 513,971  
Other current assets 450,203 343,250  
Total current assets 840,617 857,221  
Property and equipment, net 429,783 404,331  
Other non-current assets 885,128 596,552  
Total assets 2,155,528 1,858,104  
Deferred revenue, current 686,406 531,655  
Other current liabilities 705,322 629,886  
Total current liabilities 1,391,728 1,161,541  
Total non-current liabilities 273,756 193,381  
Total liabilities 1,665,484 1,354,922  
Income And Cash Flow Statement      
Total net revenues 2,365,642 1,834,109 1,230,855
Net (loss) / income 766,977 395,184 257,674
VIEs and VIEs' subsidiaries, excluding inter-company transactions      
Income And Cash Flow Statement      
Net cash provided by operating activities 878,363 662,600 480,165
Net cash used in investing activities $ (135,107) (87,476) $ (137,073)
Net cash used in financing activities   $ (273)