Basis Of Presentation (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Dec. 31, 2016	Dec. 31, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Prior Period Reclassification Adjustment	$ 2.4	$ 8.3
Additional Paid-in Capital [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Cumulative Effect on Retained Earnings, before Tax		$ 0.6