Equity Compensation - Schedule of ESPP Activity (Details) - ESPP (1) - 1998 Employee Qualified Stock Purchase Plan - $ / shares shares in Thousands	6 Months Ended
	Jul. 31, 2024	Jul. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issued shares (in shares)	433	434
Average price of issued shares (in usd per share)	$ 164.81	$ 163.59
Weighted average grant date fair value of shares granted under the ESPP (in usd per share)	$ 79.14	$ 71.34