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v3.20.2

Condensed Consolidated Statements of Changes in Equity - USD ($) $ in Thousands | Total | Cumulative Effect, Period of Adoption, Adjustment | Common Stock [Member] | Common Stock [Member] Cumulative Effect, Period of Adoption, Adjustment | Additional Paid-in Capital [Member] | Additional Paid-in Capital [Member] Cumulative Effect, Period of Adoption, Adjustment | Retained Earnings [Member] | Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment | Treasury Stock [Member] | Treasury Stock [Member] Cumulative Effect, Period of Adoption, Adjustment | AOCI Attributable to Parent [Member] | AOCI Attributable to Parent [Member] Cumulative Effect, Period of Adoption, Adjustment | Noncontrolling Interest [Member] | Noncontrolling Interest [Member] Cumulative Effect, Period of Adoption, Adjustment
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Oct. 31, 2018 | $ 4,768,912 |  | $ 1,779 |  | $ 727,053 |  | $ 5,161,551 |  | $ (1,130,878) |  | $ 694 |  | $ 8,713 |
Stockholders' Equity, Period Increase (Decrease) |  | $ (17,987) |  |  |  |  |  | $ (17,987) |  |  |  |  |  |
Net income | 387,692 |  |  |  |  |  | 387,692 |  |  |  |  |  |  |
Purchase of treasury stock | (167,474) |  |  |  |  |  |  |  | (167,474) |  |  |  |  |
Exercise of stock options and stock based compensation issuances | 4,461 |  |  |  | (21,951) |  |  |  | 26,412 |  |  |  |  |
Employee stock purchase plan issuances | 976 |  |  |  | (42) |  |  |  | 1,018 |  |  |  |  |
Stock-based compensation | 19,351 |  |  |  | 19,351 |  |  |  |  |  |  |  |  |
Dividends declared | (48,301) |  |  |  |  |  | (48,301) |  |  |  |  |  |  |
Other comprehensive income | 168 |  |  |  |  |  |  |  |  |  | 168 |  |  |
Net Income (Loss) Attributable to Noncontrolling Interest | (5) |  |  |  |  |  |  |  |  |  |  |  | (5) |
Capital contributions | 36,664 |  |  |  |  |  |  |  |  |  |  |  | 36,664 |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Jul. 31, 2019 | 4,984,457 |  | 1,779 |  | 724,411 |  | 5,482,955 |  | (1,270,922) |  | 862 |  | 45,372 |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Apr. 30, 2019 | 4,986,240 |  | 1,779 |  | 721,311 |  | 5,352,424 |  | (1,135,166) |  | 806 |  | 45,086 |
Net income | 146,318 |  |  |  |  |  | 146,318 |  |  |  |  |  |  |
Purchase of treasury stock | (142,230) |  |  |  |  |  |  |  | (142,230) |  |  |  |  |
Exercise of stock options and stock based compensation issuances | 3,883 |  |  |  | (2,284) |  |  |  | 6,167 |  |  |  |  |
Employee stock purchase plan issuances | 256 |  |  |  | (51) |  |  |  | 307 |  |  |  |  |
Stock-based compensation | 5,435 |  |  |  | 5,435 |  |  |  |  |  |  |  |  |
Dividends declared | (15,787) |  |  |  |  |  | (15,787) |  |  |  |  |  |  |
Other comprehensive income | 56 |  |  |  |  |  |  |  |  |  | 56 |  |  |
Net Income (Loss) Attributable to Noncontrolling Interest | (1) |  |  |  |  |  |  |  |  |  |  |  | (1) |
Capital contributions | 287 |  |  |  |  |  |  |  |  |  |  |  | 287 |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Jul. 31, 2019 | 4,984,457 |  | 1,779 |  | 724,411 |  | 5,482,955 |  | (1,270,922) |  | 862 |  | 45,372 |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Oct. 31, 2019 | 5,118,693 |  | 1,529 |  | 726,879 |  | 4,774,422 |  | (425,183) |  | (5,831) |  | 46,877 |
Net income | 247,307 |  |  |  |  |  | 247,307 |  |  |  |  |  |  |
Purchase of treasury stock | (633,873) |  |  |  |  |  |  |  | (633,873) |  |  |  |  |
Exercise of stock options and stock based compensation issuances | 10,188 |  |  |  | (24,687) |  |  |  | 34,875 |  |  |  |  |
Employee stock purchase plan issuances | 1,062 |  |  |  | (713) |  |  |  | 1,775 |  |  |  |  |
Stock-based compensation | 20,636 |  |  |  | 20,636 |  |  |  |  |  |  |  |  |
Dividends declared | (42,897) |  |  |  |  |  | (42,897) |  |  |  |  |  |  |
Other comprehensive income | 835 |  |  |  |  |  |  |  |  |  | 835 |  |  |
Net Income (Loss) Attributable to Noncontrolling Interest | (6) |  |  |  |  |  |  |  |  |  |  |  | (6) |
Capital contributions | 4,183 |  |  |  |  |  |  |  |  |  |  |  | 4,183 |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Jul. 31, 2020 | 4,726,128 |  | 1,529 |  | 722,115 |  | 4,978,832 |  | (1,022,406) |  | (4,996) |  | 51,054 |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Apr. 30, 2020 | 4,613,722 |  | 1,529 |  | 725,246 |  | 4,878,017 |  | (1,034,999) |  | (5,275) |  | 49,204 |
Net income | 114,761 |  |  |  |  |  | 114,761 |  |  |  |  |  |  |
Purchase of treasury stock | (320) |  |  |  |  |  |  |  | (320) |  |  |  |  |
Exercise of stock options and stock based compensation issuances | 5,615 |  |  |  | (6,858) |  |  |  | 12,473 |  |  |  |  |
Employee stock purchase plan issuances | 333 |  |  |  | (107) |  |  |  | 440 |  |  |  |  |
Stock-based compensation | 3,834 |  |  |  | 3,834 |  |  |  |  |  |  |  |  |
Dividends declared | (13,946) |  |  |  |  |  | (13,946) |  |  |  |  |  |  |
Other comprehensive income | 279 |  |  |  |  |  |  |  |  |  | 279 |  |  |
Net Income (Loss) Attributable to Noncontrolling Interest | 2 |  |  |  |  |  |  |  |  |  |  |  | 2 |
Capital contributions | 1,848 |  |  |  |  |  |  |  |  |  |  |  | 1,848 |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Jul. 31, 2020 | $ 4,726,128 |  | $ 1,529 |  | $ 722,115 |  | $ 4,978,832 |  | $ (1,022,406) |  | $ (4,996) |  | $ 51,054 |

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