XML 128 R117.htm IDEA: XBRL DOCUMENT v3.19.1
Related Party Transactions (Details) - USD ($)
$ in Millions
9 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Director, Stephen Sadler    
Related Party Transaction [Line Items]    
Consultancy fees for business acquisition-related activities $ 0.6 $ 0.8