XML 54 R44.htm IDEA: XBRL DOCUMENT v3.8.0.1
Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net (Detail) - USD ($)
$ in Millions
Dec. 31, 2017
Jun. 30, 2017
Property Plant And Equipment [Abstract]    
Land $ 2.5 $ 2.3
Buildings and improvements 19.8 17.1
Leasehold improvements 22.6 22.1
Equipment 109.9 106.9
Gross property, plant and equipment 154.8 148.4
Less accumulated depreciation (106.4) (97.3)
Property, plant and equipment, net $ 48.4 $ 51.1