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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands | Total | Common Stock | Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Treasury Stock
--- | --- | --- | --- | --- | --- | ---
Balance, beginning of period at Sep. 30, 2014 | $ 1,973,283 | $ 133,323 | $ 1,638,211 | $ 706,149 | $ 20,708 | $ (525,108)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 78,768 |  |  | 78,768 |  |
Other comprehensive income (loss) | 2,777 |  |  |  | 2,777 |
Dividends on common stock | (12,406) |  |  | (12,406) |  |
Compensation expense related to common stock options | 600 |  | 600 |  |  |
Proceeds from exercise of common stock options | 492 | 35 | 457 |  |  |
Restricted stock expense | 1,981 | 265 | 1,716 |  |  |
Treasury stock acquired | (77,355) |  |  |  |  | (77,355)
Balance, end of period at Mar. 31, 2015 | 1,968,140 | 133,623 | 1,640,984 | 772,511 | 23,485 | (602,463)
Balance, beginning of period at Sep. 30, 2015 | 1,955,679 | 133,696 | 1,643,712 | 829,754 | 353 | (651,836)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 76,821 |  |  | 76,821 |  |
Other comprehensive income (loss) | (8,939) |  |  |  | (8,939) |
Dividends on common stock | (24,735) |  |  | (24,735) |  |
Compensation expense related to common stock options | 600 |  | 600 |  |  |
Proceeds from exercise of common stock options | 5,399 | 250 | 5,149 |  |  |
Restricted stock expense | 2,082 | 146 | 1,936 |  |  |
Treasury stock acquired | (44,447) |  |  |  |  | (44,447)
Balance, end of period at Mar. 31, 2016 | $ 1,962,460 | $ 134,092 | $ 1,651,397 | $ 881,840 | $ (8,586) | $ (696,283)

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