v3.22.2.2
Cash and Cash Equivalents, Investments and Fair Value Measurements - Schedule of Investments (Details) - USD ($)
$ in Thousands
Jul. 31, 2022
Jan. 31, 2022
Cash and cash equivalents:    
Amortized Cost $ 269,493 $ 1,669,304
Short-term investments:    
Amortized Cost 952,343  
Gross Unrealized Gains 41  
Gross Unrealized Losses (2,501)  
Estimated Fair Value 949,883  
Other liabilities    
Amortized Cost 61,264  
Gross Unrealized Gains 0  
Gross Unrealized Losses (3,022)  
Estimated Fair Value 58,242  
Cash    
Cash and cash equivalents:    
Amortized Cost 34,662  
Estimated Fair Value 34,662  
Money market funds    
Cash and cash equivalents:    
Estimated Fair Value   1,641,642
Cash and Cash Equivalents    
Cash and cash equivalents:    
Amortized Cost 269,499  
Gross Unrealized Losses (6)  
Estimated Fair Value 269,493  
Level 1 | U.S. Treasury securities    
Short-term investments:    
Amortized Cost 374,167  
Gross Unrealized Gains 37  
Gross Unrealized Losses (746)  
Estimated Fair Value 373,458  
Level 1 | Money market funds    
Cash and cash equivalents:    
Amortized Cost 224,854  
Estimated Fair Value 224,854 1,641,642
Level 2 | Indemnity Escrow    
Other liabilities    
Amortized Cost 61,264  
Gross Unrealized Gains 0  
Gross Unrealized Losses (3,022)  
Estimated Fair Value 58,242  
Level 2 | Commercial paper    
Short-term investments:    
Amortized Cost 452,520  
Gross Unrealized Gains 0  
Gross Unrealized Losses (1,278)  
Estimated Fair Value 451,242  
Level 2 | Corporate notes and bonds    
Short-term investments:    
Amortized Cost 34,276  
Gross Unrealized Gains 0  
Gross Unrealized Losses (168)  
Estimated Fair Value 34,108  
Level 2 | U.S. agency securities    
Short-term investments:    
Amortized Cost 91,380  
Gross Unrealized Gains 4  
Gross Unrealized Losses (309)  
Estimated Fair Value 91,075  
Level 2 | Money market funds    
Cash and cash equivalents:    
Estimated Fair Value   $ 0
Level 2 | Corporate notes and bonds    
Cash and cash equivalents:    
Amortized Cost 5,001  
Gross Unrealized Losses (2)  
Estimated Fair Value 4,999  
Level 2 | U.S. agency securities    
Cash and cash equivalents:    
Amortized Cost 4,982  
Gross Unrealized Losses (4)  
Estimated Fair Value $ 4,978