XML 12 R39.htm IDEA: XBRL DOCUMENT v3.3.0.814
Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net (Detail) - USD ($)
$ in Millions
Sep. 30, 2015
Jun. 30, 2015
Property, Plant and Equipment [Abstract]    
Land $ 2.3 $ 2.3
Buildings and improvements 18.5 18.2
Leasehold improvements 18.6 18.5
Equipment 100.1 99.1
Gross property, plant and equipment 139.5 138.1
Less accumulated depreciation (74.6) (70.9)
Property, plant and equipment, net $ 64.9 $ 67.2