Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Apr. 30, 2021	Jan. 31, 2021
Current assets:
Cash and cash equivalents	$ 1,184,980	$ 730,504
Short-term investments	965,453	933,122
Accounts receivable, net of allowance for doubtful accounts of $358 and $193, respectively	262,327	564,387
Unbilled accounts receivable	51,367	47,206
Prepaid expenses and other current assets	30,939	35,607
Total current assets	2,495,066	2,310,826
Property and equipment, net	52,248	53,650
Deferred costs, net	40,007	42,072
Lease right-of-use assets	53,776	56,917
Goodwill	436,029	436,029
Intangible assets, net	110,166	114,595
Deferred income taxes	13,845	14,100
Other long-term assets	21,012	17,878
Total assets	3,222,149	3,046,067
Current liabilities:
Accounts payable	18,858	23,253
Accrued compensation and benefits	31,720	30,410
Accrued expenses and other current liabilities	32,716	30,982
Income tax payable	6,299	2,590
Deferred revenue	608,673	616,992
Lease liabilities	11,280	11,725
Total current liabilities	709,546	715,952
Deferred income taxes	6,488	1,835
Lease liabilities, noncurrent	48,672	51,393
Other long-term liabilities	12,459	10,567
Total liabilities	777,165	779,747
Commitments and contingencies
Stockholders’ equity:
Additional paid-in capital	1,032,063	965,670
Accumulated other comprehensive income (loss)	(2,304)	992
Retained earnings	1,415,223	1,299,656
Total stockholders’ equity	2,444,984	2,266,320
Total liabilities and stockholders’ equity	3,222,149	3,046,067
Class A common stock
Stockholders’ equity:
Common stock	2	2
Class B common stock
Stockholders’ equity:
Common stock	$ 0	$ 0