XML 61 R49.htm IDEA: XBRL DOCUMENT v3.10.0.1
Acquisitions - Pro Forma Results of Acquisitions (Detail) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Business Combinations [Abstract]    
Revenue $ 212.5 $ 209.5
Income from operations 11.5 69.6
Net income $ 8.6 $ 61.3
Net income per share, basic $ 0.11 $ 0.86
Net income per share, diluted $ 0.11 $ 0.84