Share-based Compensation (Narratives) (Details)	3 Months Ended
	Sep. 30, 2018 Quarter $ / shares shares	Sep. 30, 2017 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units granted | shares	3,337,000
Stock options/units granted, grant date fair value | $ / shares	$ 6.44
Stock options granted | shares	852,000
2014 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued under stock purchase plan | shares	1,280,708	1,267,930
Weighted-average grant-date fair value of options granted (in dollars per share) | $ / shares	$ 2.73	$ 2.41
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, award vesting percentage	The RSUs vest from the original grant date as to one-third (1/3) on the one-year anniversary and one-twelfth (1/12) each quarter thereafter, subject to continued service to the Company.
Service-based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units granted, percentage	50.00%
VPs | Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units granted | shares	1,269,800
Executive Officers | Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units granted | shares	278,000
Other Employees | Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units granted | shares	2,067,074
Vice President and Chief Executive Officer | Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units granted, percentage	50.00%
Stock options/units granted, grant date fair value | $ / shares	$ 6.40
Employees | Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance stock unit vesting, earnings per share | $ / shares	$ 0.20
Performance stock unit vesting, consecutive quarters | Quarter	2
Stock options/units vesting, stock trigger price | $ / shares	$ 10.00
Certain Officers and Executive Vice Presidents | Performance Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options/units granted, grant date fair value | $ / shares	2.62
Stock options/units vesting, stock trigger price | $ / shares	$ 10.00
Stock options granted | shares	851,700
Stock options vesting performance period	3 years
Stock options vesting, Threshold consecutive trading days from August 29, 2018 through August 31, 2021	30 days
Certain Officers and Executive Vice Presidents | Performance Stock Options | Price Hurdle Met Before or on August 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, award vesting percentage	one-third of the PSOs will vest on August 31, 2019 and the remainder will vest quarterly over two years.
Award vesting percentage	33.33%
Certain Officers and Executive Vice Presidents | Performance Stock Options | Price Hurdle Met After August 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, award vesting percentage	a number of the PSOs will vest (ratably calculated based upon the time elapsed between August 31, 2018 and the date the hurdle is met) and the remainder will vest quarterly through August 31, 2021.