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Employee Benefit Plans (Assumptions Used To Estimate Fair Value For Stock Options Granted) (Details) (USD $)
 9 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk-free interest rate minimum 1.50%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum 1.50%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
Risk-free interest rate maximum 1.90%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum 1.70%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
Weighted average volatility factor minimum 22.80%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum 23.80%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
Weighted average volatility factor maximum 23.50%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum 23.80%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
Weighted average fair value (in dollars) (A) $ 14.28us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue [1] $ 11.89us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue [1]
Maximum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Dividend yield 2.30%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		 2.40%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Weighted average expected life (in years) 5 years 4 months 24 days 5 years 4 months 24 days
Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Dividend yield 2.30%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		 2.30%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Weighted average expected life (in years) 5 years 4 months 24 days 5 years 4 months 24 days
[1] (A) The weighted average fair values of grants before September 30, 2014 were adjusted to reflect the impact of the spin-off of CDK.