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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
 6 Months Ended
Dec. 31, 2013
Options  
Options outstanding beginning balance (in shares) 1,805,391
Options granted (in shares) 324,471
Options exercised (in shares) (113,969)
Options forfeited or expired (in shares) (149,219)
Options outstanding ending balance (in shares) 1,866,674
Options exercisable (in shares) 645,294
Weighted- Average Exercise Price  
Options outstanding beginning balance, weighted-average exercise price (in dollars per share) $ 49.44
Options granted, weighted-average exercise price (in dollars per share) $ 76.18
Options exercised, weighted-average exercise price (in dollars per share) $ 36.59
Options forfeited or expired, weighted-average exercise price (in dollars per share) $ 50.94
Options outstanding ending balance, weighted-average exercise price (in dollars per share) $ 54.75
Options exercisable, weighted-average exercise price (in dollars per share) $ 41.82
Options outstanding, weighted-average remaining contractual term 4 years 10 months 6 days
Options exercisable, weighted-average remaining contractual term 3 years 2 months 19 days
Options outstanding, aggregate intrinsic value $ 69,452
Options exercisable, aggregate intrinsic value $ 32,358