Share based compensation arrangement by share based payment award remaining vesting period.

No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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- Definition

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

+ References

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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.

+ References

No definition available.

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- Definition

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

+ References

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-Publisher FASB
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-Topic 718
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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Stock-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	May 02, 2020	Apr. 27, 2019	May 02, 2020	Apr. 27, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant date fair value of options (in dollars per share)			$ 11.35	$ 11.37
Unrecognized compensation expense related to unvested options and RSU’s, net of estimated forfeitures	$ 216.7		$ 216.7
Unrecognized compensation expense related to unvested options weighted average recognition period			2 years 9 months 18 days
Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 19.6	$ 9.1	$ 47.5	$ 23.8
2011 Equity Incentive Plan \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Remaining vesting after first anniversary of grant date			3 years
Options exercisable period			10 years
2011 Equity Incentive Plan \| Stock Options \| First Anniversary
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee stock options vesting percentage			25.00%
2011 Equity Incentive Plan \| Stock Options \| Second Anniversary
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee stock options vesting percentage			25.00%
2011 Equity Incentive Plan \| Stock Options \| Third Anniversary
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee stock options vesting percentage			25.00%
2011 Equity Incentive Plan \| Stock Options \| Fourth Anniversary
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee stock options vesting percentage			25.00%
2017 Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for issuance (in shares)	22,207,698		22,207,698
2019 Inducement Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for issuance (in shares)	1,750,000		1,750,000