Property, Plant, and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 1,840.8	$ 1,776.4
Accumulated Depreciation	(1,155.8)	(1,103.7)
Property, Plant and Equipment, Net	685.0	672.7
Depreciation Expense	135.6	127.2	$ 124.1
Land and Building [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	745.7	730.6
Data Processing Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	605.0	588.5
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 490.1	$ 457.3