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Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands | Total | Parent [Member] | Common Stock | Additional Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Treasury Stock | Noncontrolling Interest
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Sep. 30, 2017 | $ 434,496 | $ 434,496 | $ 288 | $ 258,144 | $ 167,164 | $ 9,166 | $ (266) | $ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Cash dividends declared on common stock | (3,778) | (3,778) |  |  | (3,778) |  |  |
Issuance of common shares due to exercise of stock options | 147 | 147 |  | 147 |  |  |  |
Issuance of common shares due to restricted stock | 2 | 2 | 2 |  |  |  |  |
Issuance of common shares due to ESOP | 1,606 | 1,606 | 1 | 1,605 |  |  |  |
Share repurchases | (2,131) | (2,131) |  | (726) |  |  | (1,405) |
Stock compensation | 8,440 | 8,440 |  | 8,440 |  |  |  |
Total other comprehensive income | (37,767) | (37,767) |  |  |  | (37,767) |  |
Net income | 42,898 | 42,898 |  |  | 42,898 |  |  |
Ending Balance at Jun. 30, 2018 | 443,913 | 443,913 | 291 | 267,610 | 206,284 | (28,601) | (1,671) | 0
Beginning Balance at Mar. 31, 2018 | 443,703 | 443,703 | 291 | 265,491 | 200,753 | (21,166) | (1,666) | 0
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Cash dividends declared on common stock | (1,261) | (1,261) |  |  | (1,261) |  |  |
Share repurchases | (5) | (5) |  | 0 |  |  | (5) |
Stock compensation | 2,119 | 2,119 |  | 2,119 |  |  |  |
Total other comprehensive income | (7,435) | (7,435) |  |  |  | (7,435) |  |
Net income | 6,792 | 6,792 |  |  | 6,792 |  |  |
Ending Balance at Jun. 30, 2018 | 443,913 | 443,913 | 291 | 267,610 | 206,284 | (28,601) | (1,671) | 0
Beginning Balance at Sep. 30, 2018 | 747,726 | 744,152 | 393 | 565,811 | 213,048 | (33,111) | (1,989) | 3,574
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Cash dividends declared on common stock | (5,874) | (5,874) |  |  | (5,874) |  |  |
Issuance of common shares due to exercise of stock options | 92 | 92 |  | 92 |  |  |  |
Issuance of common shares due to restricted stock | 3 | 3 | 3 |  |  |  |  |
Issuance of common shares due to ESOP | 2,010 | 2,010 |  | 2,010 |  |  |  |
Share repurchases | (45,980) | (45,980) | (17) | 17 | (43,000) |  | (2,980) |
Stock compensation | 10,785 | 10,785 |  | 10,785 |  |  |  |
Total other comprehensive income | 35,894 | 35,894 |  |  |  | 35,894 |  |
Net income | 79,854 | 76,809 |  |  | 76,809 |  |  | 3,045
Net investment by (distribution to) noncontrolling interests | (3,111) |  |  |  |  |  |  | (3,111)
Ending Balance at Jun. 30, 2019 | 822,901 | 819,393 | 379 | 578,715 | 238,004 | 2,308 | (13) | 3,508
Beginning Balance at Mar. 31, 2019 | 823,709 | 820,181 | 395 | 576,406 | 258,600 | (10,264) | (4,956) | 3,528
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Cash dividends declared on common stock | (1,931) | (1,931) |  |  | (1,931) |  |  |
Issuance of common shares due to exercise of stock options | 37 | 37 |  | 37 |  |  |  |
Share repurchases | (43,013) | (43,013) | (16) | 16 | (43,000) |  | (13) |
Stock repurchased and retired during period |  |  |  |  | (4,956) |  | 4,956 |
Stock compensation | 2,256 | 2,256 |  | 2,256 |  |  |  |
Total other comprehensive income | 12,572 | 12,572 |  |  |  | 12,572 |  |
Net income | 30,336 | 29,291 |  |  | 29,291 |  |  | 1,045
Net investment by (distribution to) noncontrolling interests | (1,065) |  |  |  |  |  |  | (1,065)
Ending Balance at Jun. 30, 2019 | $ 822,901 | $ 819,393 | $ 379 | $ 578,715 | $ 238,004 | $ 2,308 | $ (13) | $ 3,508

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