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Share Capital, Option Plans And Share-Based Payments (Summary of Outstanding Stock Options Activity) (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended
Sep. 30, 2015
USD ($)
$ / shares
shares
Options  
Options outstanding beginning balance (in shares) | shares 4,375,365
Options granted (in shares) | shares 348,460
Options exercised (in shares) | shares (145,700)
Options forfeited or expired (in shares) | shares (140,435)
Options outstanding ending balance (in shares) | shares 4,437,690
Options exercisable ending balance (in shares) | shares 1,308,414
Weighted- Average Exercise Price  
Options outstanding beginning balance, weighted-average exercise price (in dollars per share) $ 42.26
Options granted, weighted average exercise price (in dollars per share) 45.73
Options exercised, weighted-average exercise price (in dollars per share) 29.27
Options forfeited or expired, weighted-average exercise price (in dollars per share) 46.59
Options outstanding ending balance, weighted-average exercise price (in dollars per share) 42.82
Options exercisable, weighted average exercise price (in dollars per share) $ 33.81
Options outstanding, weighted-average remaining contractual term (in years) 4 years 11 months 25 days
Options exercisable, weighted-average remaining contractual term (in years) 3 years 8 months 14 days
Options outstanding, aggregate intrinsic value | $ $ 27,343
Options exercisable, aggregate intrinsic value | $ $ 16,793