Earnings (Loss) Per Share (Narrative) (Details) - USD ($) shares in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 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
Stock-Based Awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	3,625	560	271
Restricted Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	659	4	12
Common Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	110