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
	Oct. 01, 2016 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding (in shares) | shares	1,548,266
Granted (in shares) | shares	293,400
Exercised (in shares) | shares	(77,020)
Forfeited (in shares) | shares	(28,177)
Expired (in shares) | shares	(47,630)
Outstanding (in shares) | shares	1,688,839
Exercisable (in shares) | shares	1,021,614
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding, weighted average exercise price (in dollars per share) | $ / shares	$ 63.09
Granted, weighted average exercise price (in dollars per share) | $ / shares	57.43
Exercised, weighted average exercise price (in dollars per share) | $ / shares	46.67
Forfeited, weighted average exercise price (in dollars per share) | $ / shares	73.24
Expired, weighted average exercise price (in dollars per share) | $ / shares	68.63
Outstanding, weighted average exercise price (in dollars per share) | $ / shares	62.53
Exercisable, weighted average exercise price (in dollars per share) | $ / shares	$ 59.89
Outstanding, weighted average remaining contractual term (in years)	5 years 9 months 18 days
Exercisable, weighted average remaining contractual term (in years)	4 years 1 month 6 days
Outstanding, aggregate intrinsic value | $	$ 5.6
Exercisable, aggregate intrinsic value | $	$ 5.1