SHAREHOLDERS' EQUITY (Summary Of Share-Based Incentive Plan Grant Activity For Options and SAR's) (Details) - Options and SAR's $ / shares in Units, $ in Millions	9 Months Ended
	Sep. 30, 2017 USD ($) $ / shares shares
Shares
Outstanding (in shares) | shares	1,610,499
Granted (in shares) | shares	195,207
Exercised (in shares) | shares	(160,771)
Forfeited (in shares) | shares	(10,239)
Expired (in shares) | shares	(9,485)
Outstanding (in shares) | shares	1,625,211
Exercisable (in shares) | shares	964,171
Weighted Average Exercise Price
Outstanding, weighted average exercise price (in dollars per share) | $ / shares	$ 63.16
Granted, weighted average exercise price (in dollars per share) | $ / shares	80.72
Exercised, weighted average exercise price (in dollars per share) | $ / shares	53.18
Forfeited, weighted average exercise price (in dollars per share) | $ / shares	65.13
Expired, weighted average exercise price (in dollars per share) | $ / shares	64.21
Outstanding, weighted average exercise price (in dollars per share) | $ / shares	66.24
Exercisable, weighted average exercise price (in dollars per share) | $ / shares	$ 64.14
Outstanding, weighted average remaining contractual term	5 years 10 months 20 days
Exercisable, weighted average remaining contractual term	4 years 1 month 24 days
Outstanding, aggregate intrinsic value | $	$ 20.9
Exercisable, aggregate intrinsic value | $	$ 14.3