Summary of Significant Accounting Policies (Property, Plant, and Equipment) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Property, Plant and Equipment [Line Items]
Depreciation and amortization	$ 92.5	$ 54.2	$ 34.7
Minimum | Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment estimated useful lives	5 years
Minimum | Capitalized software
Property, Plant and Equipment [Line Items]
Property, plant and equipment estimated useful lives	3 years
Minimum | Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment estimated useful lives	3 years
Maximum | Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment estimated useful lives	45 years
Maximum | Capitalized software
Property, Plant and Equipment [Line Items]
Property, plant and equipment estimated useful lives	6 years
Maximum | Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment estimated useful lives	20 years