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Share Capital, Option Plans And Share-Based Payments (Summary Of Option Activity) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 9 Months Ended
Mar. 31, 2014
Options  
Options outstanding beginning balance (in shares) 3,610,782
Options granted (in shares) 2,133,942
Options exercised (in shares) (877,562)
Options forfeited or expired (in shares) (440,352)
Options outstanding ending balance (in shares) 4,426,810
Options exercisable (in shares) 889,709
Weighted- Average Exercise Price  
Options outstanding beginning balance, weighted-average exercise price (in dollars per share) $ 24.72
Options granted, weighted-average exercise price (in dollars per share) $ 46.43
Options exercised, weighted-average exercise price (in dollars per share) $ 20.17
Options forfeited or expired, weighted-average exercise price (in dollars per share) $ 26.36
Options outstanding ending balance, weighted-average exercise price (in dollars per share) $ 35.93
Options exercisable, weighted-average exercise price (in dollars per share) $ 23.23
Options outstanding, weighted-average remaining contractual term 5 years 7 months 2 days
Options exercisable, weighted-average remaining contractual term 3 years 7 months 10 days
Options outstanding, aggregate intrinsic value $ 55,685
Options exercisable, aggregate intrinsic value $ 21,784