Common Stock, Capital Shares Reserved For Future Issuance, Number Of Annual Automatic Share Increases

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- Definition

Number of Plans

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Purchase Period, Employee Stock Purchase Plan

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award Amount Reserved for Share Purchases

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- Definition

Aggregate number of common shares reserved for future issuance.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

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- Definition

Amount of tax benefit from exercise of option under share-based payment arrangement.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

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

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

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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- Definition

Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

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No definition available.

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- Definition

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

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Stock-Based Compensation - Narrative (Details)		1 Months Ended	3 Months Ended
Stock-Based Compensation - Narrative (Details)	Feb. 01, 2020 shares	Mar. 31, 2017 annual_share_increase shares	Apr. 30, 2020 USD ($) plan shares	Apr. 30, 2019 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of plans \| plan			2
Intrinsic value of options exercised \| $			$ 800,000	$ 6,800,000
Tax benefit from exercise of stock options \| $			0
Unamortized stock-based compensation expense \| $			$ 200,000
Average remaining vesting period			7 months 6 days
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award expiration period			10 years
Employee Stock Option \| After One Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			1 year
Award vesting percentage			2500.00%
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			4 years
Average remaining vesting period			2 years 3 months 18 days
Unamortized stock-based compensation expense RSUs \| $			$ 346,800,000
Restricted Stock Units \| After One Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			1 year
Award vesting percentage			25.00%
Restricted Stock Units \| Quarterly Basis on Years Two Through Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			3 years
Equity Incentive Plan 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restriction on increase to shares outstanding percentage			5.00%
Increase in shares reserved for grant (in shares) \| shares	14,758,388
Reserved for issuance under plans (in shares) \| shares			23,000,734
Employee Stock Purchase Plan 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restriction on increase to shares outstanding percentage			1.00%
Increase in shares reserved for grant (in shares) \| shares	2,951,677
Reserved for issuance under plans (in shares) \| shares		3,000,000
Purchase period, employee stock purchase plan		6 months
Number of annual automatic share increases \| annual_share_increase		10
Share-based compensation arrangement by share-based payment award, number of shares available for grant (in shares) \| shares			5,857,371
Employee stock purchase plan withholdings \| $			$ 7,300,000
Minimum \| Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			3 years
Minimum \| Employee Stock Option \| Quarterly Basis on Years Two Through Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			2 years
Minimum \| Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			3 years
Maximum \| Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			4 years
Maximum \| Employee Stock Option \| Quarterly Basis on Years Two Through Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			3 years
Maximum \| Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			4 years