Share-Based Compensation (Narrative) (Details)	12 Months Ended
	Jun. 30, 2016 USD ($) tranche shares	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)
Options granted during period (in shares)	128,000
Total aggregate intrinsic value of options exercised | $	$ 1,300,000	$ 600,000	$ 5,400,000
Fair value of options vested during period | $	$ 1,500,000	$ 1,600,000	$ 1,600,000
Stock Options [Member]
Options granted during period (in shares)	128,000
Vesting period (years)	3 years
Contractual life (years)	10 years
Exercise price percentage of fair market value at grant date	100.00%
Unrecognized compensation cost | $	$ 2,000,000
Weighted-average period of recognition of unrecognized compensation cost (years)	1 year 1 month 6 days
Restricted Stock [Member]
Unrecognized compensation cost | $	$ 7,600,000
Weighted-average period of recognition of unrecognized compensation cost (years)	1 year 1 month
Shares granted (in shares)	138,634
Number of tranches | tranche	3
Shares withheld for income taxes for share based compensation	42,379
2013 Long-Term Incentive Plan [Member]
Shares available for future grant	2,234,445
Non-Employee Directors, Certain Directors [Member] | Restricted Stock [Member]
Vesting period (years)	6 months
Shares granted (in shares)	13,500
Amount to be divided by fair market value of common stock | $	$ 100,000
Number of days to calculate average value per share	45 days