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Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-In Capital | Accumulated Other Comprehensive Income | Retained Earnings
--- | --- | --- | --- | --- | ---
Convertible preferred stock, beginning balance at Jul. 30, 2016 | $ 42,222 |  |  |  |
Convertible preferred stock, beginning balance (in shares) at Jul. 30, 2016 | 59,511,055 |  |  |  |
Convertible preferred stock, ending balance at Jul. 29, 2017 | $ 42,222 |  |  |  |
Convertible preferred stock, ending balance (in shares) at Jul. 29, 2017 | 59,511,055 |  |  |  |
Stockholders' equity, beginning balance at Jul. 30, 2016 | $ 49,947 | $ 0 | $ 10,938 | $ 0 | $ 39,009
Stockholders' equity, beginning balance (in shares) at Jul. 30, 2016 |  | 25,873,434 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Compensation expense related to certain stock sales by current and former employees | 9,699 |  | 9,699 |  |
Issuance of common stock upon exercise of stock options | 1,704 |  | 1,704 |  |
Issuance of common stock upon exercise of stock options, net of early exercised options (in shares) |  | 1,462,434 |  |  |
Vesting of early exercised options | 891 | $ 1 | 890 |  |
Repurchase of common stock | (3,557) |  |  |  | (3,557)
Repurchase of common stock (in shares) |  | (501,333) |  |  |
Stock-based compensation | 3,709 |  | 3,709 |  |
Excess tax benefit related to stock-based compensation | 62 |  | 62 |  |
Net income | (594) |  |  |  | (594)
Total other comprehensive income (loss), net of tax | 0 |  |  |  |
Stockholders' equity, ending balance at Jul. 29, 2017 | 61,861 | $ 1 | 27,002 | 0 | 34,858
Stockholders' equity, ending balance (in shares) at Jul. 29, 2017 |  | 26,834,535 |  |  |
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |  |
Convertible preferred stock, issuance of Class B common stock upon conversion of convertible preferred stock | $ (42,222) |  |  |  |
Convertible preferred stock, issuance of Class B common stock upon conversion of convertible preferred stock (in shares) | (59,511,055) |  |  |  |
Convertible preferred stock, ending balance at Jul. 28, 2018 | $ 0 |  |  |  |
Convertible preferred stock, ending balance (in shares) at Jul. 28, 2018 | 0 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Issuance of common stock upon exercise of stock options | $ 6,384 |  | 6,384 |  |
Issuance of common stock upon exercise of stock options, net of early exercised options (in shares) |  | 2,192,430 |  |  |
Vesting of early exercised options | 988 |  | 988 |  |
Repurchase of common stock | 0 |  |  |  |
Repurchase of common stock (in shares) |  | (19,479) |  |  |
Stock-based compensation | 16,286 |  | 16,286 |  |
Net income | 44,900 |  |  |  | 44,900
Issuance of Class A common stock upon initial public offering, net of offering costs | 127,033 |  | 127,033 |  |
Issuance of Class A common stock upon initial public offering, net of offering costs (in shares) |  | 9,175,557 |  |  |
Issuance of Class B common stock upon conversion of convertible preferred stock | 42,222 | $ 1 | 42,221 |  |
Issuance of Class B common stock upon conversion of convertible preferred stock (in shares) |  | 59,511,055 |  |  |
Reclassification of warrant liability to additional paid-in capital upon the initial public offering | 15,994 |  | 15,994 |  |
Reclassification of warrant liability to additional paid-in capital upon the initial public offering (in shares) |  | 1,066,225 |  |  |
Issuance of Class A common stock upon settlement of restricted stock units, net of tax withholdings | (596) |  | (596) |  |
Issuance of Class A restricted stock units, net of tax withholdings (in shares) |  | 39,538 |  |  |
Total other comprehensive income (loss), net of tax | 0 |  |  |  |
Stockholders' equity, ending balance at Jul. 28, 2018 | 315,072 | $ 2 | 235,312 | 0 | 79,758
Stockholders' equity, ending balance (in shares) at Jul. 28, 2018 |  | 98,799,861 |  |  |
Convertible preferred stock, ending balance at Aug. 03, 2019 | $ 0 |  |  |  |
Convertible preferred stock, ending balance (in shares) at Aug. 03, 2019 | 0 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Issuance of common stock upon exercise of stock options | $ 13,693 |  | 13,693 |  |
Issuance of common stock upon exercise of stock options, net of early exercised options (in shares) |  | 2,200,393 |  |  |
Vesting of early exercised options | 209 |  | 209 |  |
Stock-based compensation | 37,045 |  | 37,045 |  |
Net income | 36,881 |  |  |  | 36,881
Issuance of Class A common stock upon settlement of restricted stock units, net of tax withholdings | (6,748) |  | (6,748) | 0 | 0
Issuance of Class A restricted stock units, net of tax withholdings (in shares) |  | 397,226 |  |  |
Total other comprehensive income (loss), net of tax | (187) |  |  | (187) |
Stockholders' equity, ending balance at Aug. 03, 2019 | $ 396,000 | $ 2 | $ 279,511 | $ (187) | $ 116,674
Stockholders' equity, ending balance (in shares) at Aug. 03, 2019 |  | 101,397,480 |  |  |

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- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(31)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Carrying amount, attributable to parent, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer. + References No definition available. + Details
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- Definition The number of securities classified as temporary equity that have been issued and are held by the entity's shareholders. Securities outstanding equals securities issued minus securities held in treasury. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(27)(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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