Property, Plant and Equipment - Summary of Property, Plant and Equipment(Details) - USD ($) $ in Millions	Jun. 30, 2016	Jun. 30, 2015
Property, Plant and Equipment [Line Items]
Total at cost	$ 2,607.7	$ 2,596.8
Less: accumulated depreciation and amortization	1,256.3	1,199.8
Total property, plant, and equipment	1,351.4	1,397.0
Land
Property, Plant and Equipment [Line Items]
Total at cost	33.0	28.8
Buildings and building equipment
Property, Plant and Equipment [Line Items]
Total at cost	484.1	442.9
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total at cost	2,038.3	2,035.1
Construction in progress
Property, Plant and Equipment [Line Items]
Total at cost	$ 52.3	$ 90.0