XML 100 R89.htm IDEA: XBRL DOCUMENT v3.10.0.1
Share Capital, Option Plans and Share-Based Payments - Schedule of Weighted-Average Fair Value Of Options And Weighted-Average Assumptions Used (Details) - $ / shares
3 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Weighted-average fair value of options granted (in dollars per share) $ 8.73 $ 7.44
Weighted-average assumptions used:    
Expected volatility 26.07% 27.35%
Risk–free interest rate 2.80% 1.74%
Expected dividend yield 1.45% 1.43%
Expected life (in years) 4 years 3 months 25 days 4 years 4 months 2 days
Forfeiture rate (based on historical rates) 6.00% 6.00%
Average exercised share price (in dollars per share) $ 39.27 $ 34.49