Earnings per Common Share (Details 1) - shares shares in Thousands	12 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Antidilutive Securities Excluded From Computation Of Diluted Earnings Per Share
Antidilutive securities	455	473	56
Stock Options [Member]
Antidilutive Securities Excluded From Computation Of Diluted Earnings Per Share
Antidilutive securities	31	43	0
Nonvested Deferred Shares [Member]
Antidilutive Securities Excluded From Computation Of Diluted Earnings Per Share
Antidilutive securities	424	430	56

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration