XML 93 R79.htm IDEA: XBRL DOCUMENT v3.5.0.2
Share-Based Compensation - Schedule of Shares Purchased and Compensation Expenses (Detail) - USD ($)
shares in Millions, $ in Millions
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Shares purchased under the plans 0.2 0.2 0.2
Plan compensation expense $ 1.9 $ 1.8 $ 1.3