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Stock Repurchase Program (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Mar. 31, 2018 | Mar. 31, 2017 | Mar. 16, 2018
Equity, Class of Treasury Stock |  |  |  |  |
Total cost of repurchases | $ 83,435 | $ 0 | $ 165,078 | $ 0 |
Common Stock and Capital in Excess of Par Value, Shares |  |  |  |  |
Equity, Class of Treasury Stock |  |  |  |  |
Number of shares of common stock repurchased (in shares) | 796,000 | 0 | 1,618,000 | 0 |
New repurchase program |  |  |  |  |
Equity, Class of Treasury Stock |  |  |  |  |
Number of shares authorized to be repurchased (in shares) |  |  |  |  | 1,000,000,000
Remaining number of shares authorized to be repurchased (in shares) | 1,000,000,000 |  | 1,000,000,000 |  |
New repurchase program, authorized shares if Orbotech merger closes |  |  |  |  |
Equity, Class of Treasury Stock |  |  |  |  |
Number of shares authorized to be repurchased (in shares) |  |  |  |  | 2,000,000,000

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