Earnings Per Share (Narrative) (Details) - USD ($) shares in Thousands	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	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
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)	573	277
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (shares)		4