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Stock Repurchase Program (Details) - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
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Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2015
Stock Repurchase Program |  |  |
Remaining number of shares authorized to be repurchased (in shares) | 5,700 |  |
Total cost of repurchases | $ 25,002 | $ 175,743 | $ 608,856
Common Stock and Capital in Excess of Par Value, Shares |  |  |
Stock Repurchase Program |  |  |
Number of shares of common stock repurchased (in shares) | 243 | 3,445 | 9,255

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