CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Apr. 30, 2023	Apr. 30, 2022
Revenues:
Total revenues		$ 526,325	$ 505,102
Cost of revenues:
Total cost of revenues	[1]	166,663	139,515
Gross profit		359,662	365,587
Operating expenses:
Research and development	[1]	146,960	113,475
Sales and marketing	[1]	88,503	76,115
General and administrative	[1]	62,669	48,325
Total operating expenses	[1]	298,132	237,915
Operating income		61,530	127,672
Other income, net		30,248	2,709
Income before income taxes		91,778	130,381
Income tax (benefit) provision		(39,743)	30,266
Net income		$ 131,521	$ 100,115
Net income per share:
Basic (in usd per share)		$ 0.82	$ 0.65
Diluted (in usd per share)		$ 0.81	$ 0.62
Weighted-average shares used to compute net income per share:
Basic (in shares)		159,852	154,514
Diluted (in shares)		162,521	161,928
Other comprehensive income:
Net change in unrealized loss on available-for-sale investments		$ 5,428	$ (10,999)
Net change in cumulative foreign currency translation loss		(58)	(1,254)
Comprehensive income		136,891	87,862
Subscription services
Revenues:
Total revenues		414,546	402,632
Cost of revenues:
Total cost of revenues	[1]	67,575	58,953
Professional services and other
Revenues:
Total revenues		111,779	102,470
Cost of revenues:
Total cost of revenues	[1]	$ 99,088	$ 80,562

[1] (1) Includes stock-based compensation as follows:Cost of revenues:Cost of subscription services$1,505 $1,277 Cost of professional services and other12,722 9,990 Research and development38,906 25,823 Sales and marketing20,135 16,893 General and administrative17,451 13,151 Total stock-based compensation$90,719 $67,134