CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Oct. 31, 2021	Jan. 31, 2021
Current assets:
Cash and cash equivalents	$ 1,149,946	$ 730,504
Short-term investments	1,201,541	933,122
Accounts receivable, net of allowance for doubtful accounts of $396 and $193, respectively	211,046	564,387
Unbilled accounts receivable	67,970	47,206
Prepaid expenses and other current assets	29,292	35,607
Total current assets	2,659,795	2,310,826
Property and equipment, net	53,463	53,650
Deferred costs, net	34,091	42,072
Lease right-of-use assets	50,499	56,917
Goodwill	437,261	436,029
Intangible assets, net	102,559	114,595
Deferred income taxes	4,884	14,100
Other long-term assets	24,934	17,878
Total assets	3,367,486	3,046,067
Current liabilities:
Accounts payable	25,605	23,253
Accrued compensation and benefits	32,116	30,410
Accrued expenses and other current liabilities	36,131	30,982
Income tax payable	14,477	2,590
Deferred revenue	417,755	616,992
Lease liabilities	10,803	11,725
Total current liabilities	536,887	715,952
Deferred income taxes	1,941	1,835
Lease liabilities, noncurrent	45,237	51,393
Other long-term liabilities	14,060	10,567
Total liabilities	598,125	779,747
Commitments and contingencies
Stockholders’ equity:
Additional paid-in capital	1,145,147	965,670
Accumulated other comprehensive income (loss)	(5,738)	992
Retained earnings	1,629,950	1,299,656
Total stockholders’ equity	2,769,361	2,266,320
Total liabilities and stockholders’ equity	3,367,486	3,046,067
Class A common stock
Stockholders’ equity:
Common stock	2	2
Class B common stock
Stockholders’ equity:
Common stock	$ 0	$ 0