Share-Based Compensation (Narrative) (Details)		12 Months Ended
	Dec. 03, 2018 shares	Jun. 30, 2019 USD ($) plan shares	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of share-based compensation plans | plan		2
Options granted during period (in shares)		2,110
Total aggregate intrinsic value of options exercised | $		$ 400,000	$ 500,000	$ 1,600,000
Fair value of options vested during period | $		$ 1,100,000	$ 1,300,000	$ 1,500,000
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted during period (in shares)		2,110
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 | $		$ 700,000
Weighted-average period of recognition of unrecognized compensation cost (years)		10 months 2 days
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost | $		$ 6,600,000
Weighted-average period of recognition of unrecognized compensation cost (years)		1 year 3 months 29 days
Shares granted (in shares)		210,359
Shares withheld for income taxes for share based compensation (in shares)		38,064
2013 Long-Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for future grant (in shares)		1,740,768
Non-Employee Directors, Certain Directors [Member] | 2013 Long-Term Incentive Plan [Member] | Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (years)	6 months	6 months
Shares granted (in shares)	20,400
Amount to be divided by fair market value of common stock | $		$ 100,000
Number of days to calculate average value per share		45 days