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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Preferred stock | Common Stock | Additional Paid-In Capital | Retained Earnings | Treasury Stock
--- | --- | --- | --- | --- | --- | ---
Shares, beginning of year at Jun. 30, 2013 |  |  | 101,993,808 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Shares issued for equity-based payment arrangements (shares) |  |  | 344,372 |  |  |
Shares issued for Employee Stock Purchase Plan (shares) |  |  | 91,746 |  |  |
Shares, end of year at Jun. 30, 2014 |  |  | 102,429,926 |  |  |
Balance, start of year (value) at Jun. 30, 2013 |  |  | $ 1,020 | $ 400,710 | $ 1,016,168 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Shares issued for equity-based payment arrangements (value) |  |  | 3 |  |  |
Shares issued for Employee Stock Purchase Plan (value) |  |  | 1 | 4,283 |  |
Shares issued upon exercise of stock options (value) |  |  |  | 606 |  |
Tax withholding related to share based compensation |  |  |  | (6,598) |  |
Tax benefits from share-based compensation (value) |  |  |  | 3,420 |  |
Stock-based compensation expense (value) |  |  |  | 10,091 |  |
Net Income | $ 186,715 |  |  |  | 186,715 |
Dividends (value) |  |  |  |  | (71,251) |
Balance, end of year (value) at Jun. 30, 2014 | $ 967,387 |  | $ 1,024 | 412,512 | 1,131,632 |
Balance, start of year (value) at Jun. 30, 2013 |  |  |  |  |  | $ (402,082)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Purchase of treasury shares |  |  |  |  |  | (175,699)
Balance, end of year (value) at Jun. 30, 2014 |  |  |  |  |  | (577,781)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Dividends declared per share | $ 0.84 |  |  |  |  |
Preferred Stock, Shares Outstanding |  | 0 |  |  |  |
Shares issued for equity-based payment arrangements (shares) |  |  | 172,661 |  |  |
Shares issued for Employee Stock Purchase Plan (shares) |  |  | 92,627 |  |  |
Shares, end of year at Jun. 30, 2015 |  |  | 102,695,214 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Shares issued for equity-based payment arrangements (value) |  |  | $ 2 |  |  |
Shares issued for Employee Stock Purchase Plan (value) |  |  | 1 | 4,880 |  |
Shares issued upon exercise of stock options (value) |  |  |  | 640 |  |
Tax withholding related to share based compensation |  |  |  | (7,951) |  |
Tax benefits from share-based compensation (value) |  |  |  | 4,343 |  |
Stock-based compensation expense (value) |  |  |  | 10,112 |  |
Net Income | $ 211,221 |  |  |  | 211,221 |
Dividends (value) |  |  |  |  | (76,410) |
Balance, end of year (value) at Jun. 30, 2015 | 991,534 |  | $ 1,027 | 424,536 | 1,266,443 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Purchase of treasury shares |  |  |  |  |  | (122,691)
Balance, end of year (value) at Jun. 30, 2015 | $ (700,472) |  |  |  |  | (700,472)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Dividends declared per share | $ 0.94 |  |  |  |  |
Preferred Stock, Shares Outstanding |  | 0 |  |  |  |
Shares issued for equity-based payment arrangements (shares) |  |  | 121,348 |  |  |
Shares issued for Employee Stock Purchase Plan (shares) |  |  | 87,409 |  |  |
Shares, end of year at Jun. 30, 2016 |  |  | 102,903,971 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Shares issued for equity-based payment arrangements (value) |  |  | $ 1 |  |  |
Shares issued for Employee Stock Purchase Plan (value) |  |  | 1 | 5,710 |  |
Shares issued upon exercise of stock options (value) |  |  |  | 696 |  |
Tax withholding related to share based compensation |  |  |  | (2,590) |  |
Tax benefits from share-based compensation (value) |  |  |  | 1,051 |  |
Stock-based compensation expense (value) |  |  |  | 10,720 |  |
Net Income | $ 248,867 |  |  |  | 248,867 |
Dividends (value) |  |  |  |  | (84,118) |
Balance, end of year (value) at Jun. 30, 2016 | 996,210 |  | $ 1,029 | $ 440,123 | $ 1,431,192 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Purchase of treasury shares |  |  |  |  |  | (175,662)
Balance, end of year (value) at Jun. 30, 2016 | $ (876,134) |  |  |  |  | $ (876,134)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Dividends declared per share | $ 1.06 |  |  |  |  |
Preferred Stock, Shares Outstanding |  | 0 |  |  |  |

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