v3.20.4

Stock-based Compensation (Tables) | 3 Months Ended
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Oct. 31, 2020
Share-based Payment Arrangement [Abstract] |
Summary of Total Compensation Expense and Associated Income Tax Benefit | A summary of the total compensation expense and associated income tax benefit recognized related to stock-based compensation arrangements on a consolidated basis is as follows:
| Three Months Ended |  |
| October 31, 2020 |  | November 2, 2019 |  |  |  |
| (millions) |  |
Compensation expense | $ | 0.3 |  |  | $ | 1.6 |  |  |  |  |
Income tax benefit | $ | — |  |  | $ | — |  |  |  |  |
Weighted-Average Assumptions used to Estimate Fair Value of Stock Options Granted | The Company’s weighted-average assumptions used to estimate the fair value of stock options granted during the three months ended November 2, 2019 was as follows:
| Three Months Ended
|  | November 2, 2019
Expected term (years) |  | 5.3
Expected volatility |  | 61.2 | %
Risk-free interest rate |  | 1.6 | %
Expected dividend yield |  | — | %
Weighted-average grant date fair value |  | $ | 0.14 |
Summary of Stock Option Activity under all Plans | A summary of the stock option activity under the service-based plans during the three months ended October 31, 2020 is as follows:
| Number of Shares |  | Weighted- Average Exercise Price |  | Weighted- Average Remaining Contractual Terms |  | Aggregate Intrinsic Value (a)
| (thousands) |  |  |  | (years) |  | (millions)
Options outstanding – August 1, 2020 | 683.3 |  |  | $ | 81.05 |  |  | 4.6 |  | $ | — |
Canceled/Forfeited | (123.0) |  |  | 98.88 |  |  |  |  |
Options outstanding – October 31, 2020 | 560.3 |  |  | $ | 77.15 |  |  | 4.4 |  | $ | — |
Options vested and expected to vest at October 31, 2020 (b) | 556.8 |  |  | $ | 77.59 |  |  | 4.4 |  | $ | — |
Options exercisable at October 31, 2020 | 440.2 |  |  | $ | 95.95 |  |  | 4.0 |  | $ | — |
_______ (a)The intrinsic value is the amount by which the market price at the end of the period of the underlying share of stock exceeds the exercise price of the stock option. (b)The number of options expected to vest takes into consideration estimated expected forfeitures.
Summary of Restricted Equity Awards Activity | A summary of restricted equity awards activity during the three months ended October 31, 2020 is as follows:
| Service-based Restricted Equity Awards
| Number of Shares |  | Weighted- Average Grant Date Fair Value Per Share
| (thousands) |  |
Nonvested at August 1, 2020 | 5.4 |  |  | $ | 183.84 |
Vested | (4.5) |  |  | 211.58 |
Canceled/Forfeited | (0.8) |  |  | 42.38 |
Nonvested at October 31, 2020 | 0.1 |  |  | $ | 39.80 |

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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