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Stock Based Compensation RSU Measurement Date Assumptions (Details) (Restricted Stock Units (RSUs) [Member])
6 Months Ended
Dec. 31, 2013
Restricted Stock Units (RSUs) [Member]
 
RSU grant date weighted average fair value assumptions  
Volatility 21.60%
Risk free interest rate 0.91%
Dividend yield 1.60%
Stock Beta 0.837