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Share-Based Compensation (Restricted Stock Outstanding) (Details) - Restricted Stock [Member]
12 Months Ended
Jun. 30, 2017
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Outstanding, beginning of year (in shares) | shares 274,804
Granted during the period (in shares) | shares 170,368
Target shares adjustment during the period (in shares) | shares (1,008)
Vested during period (in shares) | shares (137,894)
Canceled, forfeited, or expired during the period (in shares) | shares (38,884)
Outstanding, end of year (in shares) | shares 267,386
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Outstanding, beginning of year, Weighted Average Grant Date Fair-Value (in dollars per share) | $ / shares $ 39.06
Grant date fair value (in dollars per share) | $ / shares 36.77
Target shares adjustment during the period, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares 34.80
Vested, Weighted Average Grant Date Fair-Value (in dollars per share) | $ / shares 40.07
Canceled, forfeited or expired, Weighted Average Grant Date Fair-Value (in dollars per share) | $ / shares 38.18
Outstanding, end of year, Weighted Average Grant Date Fair-Value (in dollars per share) | $ / shares $ 37.86