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Nature of Operations and Summary of Significant Accounting Policies Treasury Stock (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Jun. 30, 2017
Class of Stock Disclosures [Abstract] |  |  |
Treasury Stock, Shares | 25,961,920 |  | 25,660,212
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased | 4,029,000 |  | 4,330,000
Treasury Stock, Value | $ 1,036,292 |  | $ 1,006,274
Treasury Stock, Shares, Acquired | 302,000 |  |
Payments for Repurchase of Common Stock | $ 30,018 | $ 103,885 |

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- Definition Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29,30) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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