Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Earnings per Share) (Details)

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Summary of Significant Accounting Policies (Earnings per Share) (Details) - shares
shares in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2018
Mar. 31, 2017
Accounting Policies [Abstract]        
Basic weighted average shares outstanding 7,031 7,023 7,031 7,029
Effect of common stock equivalents — stock issuable under outstanding equity awards 0 107 0 93
Diluted weighted average shares outstanding 7,031 7,130 7,031 7,122