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Incentive Plans Incentive Plans: Narrative (Details) - shares
3 Months Ended 9 Months Ended
Mar. 31, 2016
Mar. 31, 2016
Jun. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Treasury stock, Shares used to fund Equity Incentive Plans for restricted stock 9,642,482 9,642,482 9,132,258
Stock Issued During Period, Shares, Restricted Stock Award, Gross 7,500 10,000