Share-Based Compensation (Restricted Stock Granted) (Details) - Restricted Stock [Member]	12 Months Ended
	Jun. 30, 2016 $ / shares shares
Shares granted (in shares) | shares	138,634
Grant date fair value (in dollars per share) | $ / shares	$ 38.18
Certain Employees [Member]
Shares granted (in shares) | shares	124,572
Date granted	Dec. 04, 2015
Grant date fair value (in dollars per share) | $ / shares	$ 38.19
Vesting period	3 years
Certain Employees 2 [Member]
Shares granted (in shares) | shares	476
Date granted	Feb. 12, 2016
Grant date fair value (in dollars per share) | $ / shares	$ 36.30
Vesting period	3 years
Non-Employee Directors, Certain Directors [Member]
Shares granted (in shares) | shares	13,500
Date granted	Dec. 04, 2015
Grant date fair value (in dollars per share) | $ / shares	$ 38.19
Vesting period	6 months