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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

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Number of additional shares authorized for issuance under share-based payment arrangement.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Percentage of vesting of award under share-based payment arrangement.

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Stock-Based Compensation - Additional Information (Details) - USD ($)		1 Months Ended	12 Months Ended
	Jul. 02, 2024	Dec. 31, 2024	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Aggregate intrinsic value of exercised options			$ 14,800,000	$ 1,600,000	$ 60,000,000
Tax benefits realized from stock options exercise			$ 2,200,000
Aggregate estimated fair value of stock options granted to employees vested				$ 0	$ 0
Options granted to employees			0	0	0
Share-based compensation expense			$ 219,003,000	$ 198,783,000	$ 185,632,000
Stock options, vested in period			0
Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Fair value of vested restricted stock units			$ 226,900,000	$ 214,600,000	215,300,000
Tax benefit from vesting and issuance of restricted stock units			42,100,000
Unrecognized stock-based compensation expense			$ 370,700,000
Remaining weighted-average period			2 years 6 months 21 days
Share based compensation, average grant date fair value			$ 29.05	$ 26.34
Number of market based restricted stock units granted			10,058,585	8,966,588
Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Dividend yield			0.00%
Market-Based Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share based compensation, average grant date fair value			$ 20.59
Number of market based restricted stock units granted		600,000
Performance-Based Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period			3 years
Performance-Based Restricted Stock Units \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Target number of shares earned ranges, percentage			150.00%
Performance-Based Restricted Stock Units \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Target number of shares earned ranges, percentage			0.00%
Performance Based and Market Based Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expense			$ 5,500,000	$ 2,800,000	1,300,000
Capitalized Internal-use Software costs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expense			$ 10,600,000	$ 7,000,000	$ 4,400,000
2015 Equity Incentive Plan \| Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period			4 years
2015 Equity Incentive Plan \| Class A Common Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares common stock reserved for issuance			8,594,162
2015 Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of eligible compensation allowed to employees to purchase shares at a discount				15.00%
Description of offering period excluding initial offering period				The 2015 ESPP provides for 24-month offering periods beginning March 16 and September 16 of each year, and each offering period consists of four six-month purchase periods.
Purchase price of common stock, percentage				85.00%
Description of offering period resets				the offering period resets and the new lower price becomes the new offering price for a new 24 month offering period.
Unrecognized stock-based compensation expense				$ 5,500,000
Dividend yield			0.00%	0.00%	0.00%
2015 Employee Stock Purchase Plan \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Remaining weighted-average period			1 year
Number of additional shares to be issued	20,228,040
2015 Employee Stock Purchase Plan \| Class A Common Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares common stock reserved for issuance			2,823,385
Number of shares to be issued	9,000,000
Executive Bonus Plans \| Performance-Based Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expense			$ 13,400,000	$ 6,200,000
Fiscal 2024 Executive Bonus Plan \| Performance-Based Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized stock-based compensation expense			$ 3,100,000
One Year from Vesting Commencement Date \| 2015 Equity Incentive Plan \| Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage			25.00%
Per Month after One Year of Vesting Commencement Date \| 2015 Equity Incentive Plan \| Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage			6.25%
Per Quarter after One Year of Vesting Commencement Date \| 2015 Equity Incentive Plan \| Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage			6.25%