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Stock Based Compensation Restricted Stock Share Awards (Details) - Restricted Stock [Member]
shares in Thousands
3 Months Ended
Sep. 30, 2018
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Outstanding, period start, number of shares | shares 23
Granted, number of shares | shares 0
Vested, number of shares | shares (17)
Forfeited, number of shares | shares 0
Outstanding, period end, number of shares | shares 6
Outstanding, period start, weighted average grant date fair value | $ / shares $ 81.33
Granted, weighted average grant date fair value | $ / shares 0.00
Vested, weighted average grant date fair value | $ / shares 79.52
Forfeited, weighted average grant date fair value | $ / shares 0.00
Outstanding, period end, weighted average grant date fair value | $ / shares $ 86.47