XML 64 R52.htm IDEA: XBRL DOCUMENT v3.10.0.1
Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net (Detail) - USD ($)
$ in Millions
Sep. 30, 2018
Jun. 30, 2018
Property Plant And Equipment [Abstract]    
Land $ 2.4 $ 2.4
Buildings and improvements 19.2 19.3
Leasehold improvements 29.9 23.0
Equipment 113.0 112.4
Gross property, plant and equipment 164.5 157.1
Less accumulated depreciation (104.5) (113.9)
Property, plant and equipment, net $ 60.0 $ 43.2