Property, Plant and Equipment - Summary of Property, Plant and Equipment(Details) - USD ($) $ in Millions	Jun. 30, 2017	Jun. 30, 2016
Property, Plant and Equipment [Line Items]
Total at cost	$ 2,668.5	$ 2,607.7
Less: accumulated depreciation and amortization	1,351.7	1,256.3
Total property, plant, and equipment	1,316.8	1,351.4
Land
Property, Plant and Equipment [Line Items]
Total at cost	34.1	33.0
Buildings and building equipment
Property, Plant and Equipment [Line Items]
Total at cost	495.7	484.1
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total at cost	2,082.4	2,038.3
Construction in progress
Property, Plant and Equipment [Line Items]
Total at cost	$ 56.3	$ 52.3