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Debt, Commitments, Contingencies And Guarantees (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Total rent expense, net of sublease income $ 58.5 $ 56.4 $ 59.4
Expected Asset Retirement Obligation 13.1    
Letter Of Credit [Member]      
Line of credit $ 10.8