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Property and Equipment, Net (Tables)
12 Months Ended
Jan. 31, 2022
Property, Plant and Equipment [Abstract]  
Summary of property and equipment, net
Property and equipment, net consisted of the following (in thousands): 
 As of January 31,
 20222021
Computers, equipment, and software$1,071,141 $931,456 
Buildings691,896 494,599 
Leasehold improvements158,037 204,273 
Land and land improvements80,553 37,065 
Furniture, fixtures, and transportation equipment79,723 54,193 
Property and equipment, gross2,081,350 1,721,586 
Less accumulated depreciation and amortization(958,275)(749,183)
Property and equipment, net$1,123,075 $972,403