CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jul. 31, 2021	Jan. 31, 2021
Current assets:
Cash and cash equivalents	$ 1,064,731	$ 730,504
Short-term investments	1,198,785	933,122
Accounts receivable, net of allowance for doubtful accounts of $335 and $193, respectively	283,619	564,387
Unbilled accounts receivable	51,100	47,206
Prepaid expenses and other current assets	33,557	35,607
Total current assets	2,631,792	2,310,826
Property and equipment, net	52,805	53,650
Deferred costs, net	37,335	42,072
Lease right-of-use assets	52,882	56,917
Goodwill	437,261	436,029
Intangible assets, net	107,253	114,595
Deferred income taxes	7,590	14,100
Other long-term assets	24,465	17,878
Total assets	3,351,383	3,046,067
Current liabilities:
Accounts payable	21,301	23,253
Accrued compensation and benefits	33,940	30,410
Accrued expenses and other current liabilities	35,198	30,982
Income tax payable	2,573	2,590
Deferred revenue	558,720	616,992
Lease liabilities	11,105	11,725
Total current liabilities	662,837	715,952
Deferred income taxes	7,511	1,835
Lease liabilities, noncurrent	47,630	51,393
Other long-term liabilities	13,308	10,567
Total liabilities	731,286	779,747
Commitments and contingencies
Stockholders’ equity:
Additional paid-in capital	1,098,703	965,670
Accumulated other comprehensive income (loss)	(2,689)	992
Retained earnings	1,524,081	1,299,656
Total stockholders’ equity	2,620,097	2,266,320
Total liabilities and stockholders’ equity	3,351,383	3,046,067
Class A common stock
Stockholders’ equity:
Common stock	2	2
Class B common stock
Stockholders’ equity:
Common stock	$ 0	$ 0