Earnings Per Share (Narrative) (Details) - USD ($) shares in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017	Jun. 21, 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Authorized amount					$ 250,000,000
Remaining authorized repurchase amount	$ 250,000,000		$ 250,000,000
Stock Based Awards [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (shares)	559	271	559	271
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (shares)		5		5