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Employee Benefit Plans (Performance based restricted shares and units) (Details)
shares in Thousands
3 Months Ended
Sep. 30, 2017
shares
Performance-Based Restricted Stock [Member]  
Number of Shares (in thousands)  
Restricted shares/units outstanding at July 1, 2016 404
Restricted shares/units granted 157
Restricted shares/units vested (238)
Restricted shares/units forfeited (4)
Restricted shares/units outstanding at September 30, 2016 319
Performance Based Restricted Stock Unit [Domain]  
Number of Shares (in thousands)  
Restricted shares/units outstanding at July 1, 2016 769
Restricted shares/units granted 338
Restricted shares/units vested (248)
Restricted shares/units forfeited (15)
Restricted shares/units outstanding at September 30, 2016 844