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Stockholders' Equity | 6 Months Ended
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Jan. 31, 2021
Stockholders' Equity Note [Abstract] |
Stockholders' Equity Note Disclosure [Text Block] | Stockholders' Equity The following table illustrates the changes in the balances of each component of stockholders' equity for the three months ended January 31, 2021:
|  | Common Stock |  | Additional Paid-In Capital |  | Retained Earnings |  | Treasury Stock |  | Accumulated Other Comprehensive Loss |  | Total Stockholders' Equity
Balances at October 31, 2020 |  | $ | 548 |  |  | $ | 332,121 |  |  | $ | 726,546 |  |  | $ | (109,146) |  |  | $ | (69,668) |  |  | $ | 880,401 |
Net income |  | — |  |  | — |  |  | 30,860 |  |  | — |  |  | — |  |  | 30,860 |
Other comprehensive income, net of tax |  | — |  |  | — |  |  | — |  |  | — |  |  | 18,207 |  |  | 18,207 |
Issuance of shares of Class A Common Stock under stock plan |  | — |  |  | 59 |  |  | — |  |  | 230 |  |  | — |  |  | 289 |
Stock-based compensation expense |  | — |  |  | 1,897 |  |  | — |  |  | — |  |  | — |  |  | 1,897 |
Repurchase of shares of Class A Common Stock |  | — |  |  | — |  |  | — |  |  | (873) |  |  | — |  |  | (873) |
Cash dividends on Common Stock: |  |  |  |  |  |  |  |  |  |  |  |
Class A — $0.2200 per share |  | — |  |  | — |  |  | (10,667) |  |  | — |  |  | — |  |  | (10,667) |
Class B — $0.2200 per share |  | — |  |  | — |  |  | (779) |  |  | — |  |  | — |  |  | (779) |
Balances at January 31, 2021 |  | $ | 548 |  |  | $ | 334,077 |  |  | $ | 745,960 |  |  | $ | (109,789) |  |  | $ | (51,461) |  |  | $ | 919,335 |
The following table illustrates the changes in the balances of each component of stockholders' equity for the six months ended January 31, 2021:
|  | Common Stock |  | Additional Paid-In Capital |  | Retained Earnings |  | Treasury Stock |  | Accumulated Other Comprehensive Loss |  | Total Stockholders' Equity
Balances at July 31, 2020 |  | $ | 548 |  |  | $ | 331,761 |  |  | $ | 704,456 |  |  | $ | (107,216) |  |  | $ | (66,477) |  |  | $ | 863,072 |
Net income |  | — |  |  | — |  |  | 64,341 |  |  | — |  |  | — |  |  | 64,341 |
Other comprehensive income, net of tax |  | — |  |  | — |  |  | — |  |  | — |  |  | 15,016 |  |  | 15,016 |
Issuance of shares of Class A Common Stock under stock plan |  | — |  |  | (3,187) |  |  | — |  |  | 1,020 |  |  | — |  |  | (2,167) |
Tax benefit and withholdings from deferred compensation distributions |  | — |  |  | 32 |  |  | — |  |  | — |  |  | — |  |  | 32 |
Stock-based compensation expense |  | — |  |  | 5,471 |  |  | — |  |  | — |  |  | — |  |  | 5,471 |
Repurchase of shares of Class A Common Stock |  | — |  |  | — |  |  | — |  |  | (3,593) |  |  | — |  |  | (3,593) |
Cash dividends on Common Stock: |  |  |  |  |  |  |  |  |  |  |  |
Class A — $0.4400 per share |  | — |  |  | — |  |  | (21,338) |  |  | — |  |  | — |  |  | (21,338) |
Class B — $0.4234 per share |  | — |  |  | — |  |  | (1,499) |  |  | — |  |  | — |  |  | (1,499) |
Balances at January 31, 2021 |  | $ | 548 |  |  | $ | 334,077 |  |  | $ | 745,960 |  |  | $ | (109,789) |  |  | $ | (51,461) |  |  | $ | 919,335 |
The following table illustrates the changes in the balances of each component of stockholders' equity for the three months ended January 31, 2020:
|  | Common Stock |  | Additional Paid-In Capital |  | Retained Earnings |  | Treasury Stock |  | Accumulated Other Comprehensive Loss |  | Total Stockholders' Equity
Balances at October 31, 2019 |  | $ | 548 |  |  | $ | 327,241 |  |  | $ | 663,808 |  |  | $ | (43,779) |  |  | $ | (71,283) |  |  | $ | 876,535 |
Net income |  | — |  |  | — |  |  | 33,553 |  |  | — |  |  | — |  |  | 33,553 |
Other comprehensive loss, net of tax |  | — |  |  | — |  |  | — |  |  | — |  |  | (1,207) |  |  | (1,207) |
Issuance of shares of Class A Common Stock under stock plan |  | — |  |  | 187 |  |  | — |  |  | 624 |  |  | — |  |  | 811 |
Tax benefit and withholdings from deferred compensation distributions |  | — |  |  | 69 |  |  | — |  |  | — |  |  | — |  |  | 69 |
Stock-based compensation expense |  | — |  |  | 1,766 |  |  | — |  |  | — |  |  | — |  |  | 1,766 |
Cash dividends on Common Stock: |  |  |  |  |  |  |  |  |  |  |  |
Class A — $0.2175 per share |  | — |  |  | — |  |  | (10,833) |  |  | — |  |  | — |  |  | (10,833) |
Class B — $0.2175 per share |  | — |  |  | — |  |  | (770) |  |  | — |  |  | — |  |  | (770) |
Balances at January 31, 2020 |  | $ | 548 |  |  | $ | 329,263 |  |  | $ | 685,758 |  |  | $ | (43,155) |  |  | $ | (72,490) |  |  | $ | 899,924 |
The following table illustrates the changes in the balances of each component of stockholders' equity for the six months ended January 31, 2020:
|  | Common Stock |  | Additional Paid-In Capital |  | Retained Earnings |  | Treasury Stock |  | Accumulated Other Comprehensive Loss |  | Total Stockholders' Equity
Balances at July 31, 2019 |  | $ | 548 |  |  | $ | 329,969 |  |  | $ | 637,843 |  |  | $ | (46,332) |  |  | $ | (71,254) |  |  | $ | 850,774 |
Net income |  | — |  |  | — |  |  | 71,051 |  |  | — |  |  | — |  |  | 71,051 |
Other comprehensive loss, net of tax |  | — |  |  | — |  |  | — |  |  | — |  |  | (1,236) |  |  | (1,236) |
Issuance of shares of Class A Common Stock under stock plan |  | — |  |  | (6,223) |  |  | — |  |  | 3,177 |  |  | — |  |  | (3,046) |
Tax benefit and withholdings from deferred compensation distributions |  | — |  |  | 133 |  |  | — |  |  | — |  |  | — |  |  | 133 |
Stock-based compensation expense |  | — |  |  | 5,384 |  |  | — |  |  | — |  |  | — |  |  | 5,384 |
Cash dividends on Common Stock: |  |  |  |  |  |  |  |  |  |  |  |
Class A — $0.4350 per share |  | — |  |  | — |  |  | (21,655) |  |  | — |  |  | — |  |  | (21,655) |
Class B — $0.4184 per share |  | — |  |  | — |  |  | (1,481) |  |  | — |  |  | — |  |  | (1,481) |
Balances at January 31, 2020 |  | $ | 548 |  |  | $ | 329,263 |  |  | $ | 685,758 |  |  | $ | (43,155) |  |  | $ | (72,490) |  |  | $ | 899,924 |

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -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=120397183&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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