Earnings Per Share (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Redemptions or adjustments to the carrying value of redeemable common stock	$ 0	$ 0	$ 0	$ 0
Options exercise price range, lower limit			$ 7.35
Options exercise price range, upper limit			$ 24.46
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Options outstanding not included in computation of diluted earnings per share	288,692		351,828
Options exercise price range, lower limit	$ 10.59		$ 10.59
Options exercise price range, upper limit	$ 24.46		$ 24.46