XML 57 R47.htm IDEA: XBRL DOCUMENT v3.8.0.1
Goodwill and Intangible Assets - Summary of Changes to Goodwill Balance (Detail)
$ in Millions
9 Months Ended
Mar. 31, 2018
USD ($)
Goodwill And Intangible Assets Disclosure [Abstract]  
Beginning balance $ 316.1
Adjustments to acquisitions 1.9
Translation adjustments 2.2
Ending balance $ 320.2