XML 73 R54.htm IDEA: XBRL DOCUMENT v3.10.0.1
SIGNIFICANT ACCOUNTING POLICIES - Property and Equipment, Net (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Property, Plant and Equipment [Line Items]    
Capitalized costs related to software development for internal use $ 74.9 $ 66.6
Capitalized software | Maximum    
Property, Plant and Equipment [Line Items]    
Useful life 5 years