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Share - Based Compensation (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2015
Compensation costs charged to expense under award programs |  |  |
Total compensation costs under award programs | $ 5,520 | $ 4,067 | $ 4,461
Stock Options and Stock Appreciation Rights [ Member] |  |  |
Compensation costs charged to expense under award programs |  |  |
Total compensation costs under award programs | 1,891 | 1,543 | 1,610
Performance Shares [Member] |  |  |
Compensation costs charged to expense under award programs |  |  |
Total compensation costs under award programs | 1,331 | 446 | 836
Restricted stock and Restricted Stock units [Member] |  |  |
Compensation costs charged to expense under award programs |  |  |
Total compensation costs under award programs | $ 2,298 | $ 2,078 | $ 2,015

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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