Earnings Per Share (Reconciliation Of The Numerators And The Denominators Of The Basic And Diluted Per Share) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
Earnings Per Share [Abstract]
Income available to common shareholders, basic	$ 129,002	$ 115,344	$ 377,561	$ 338,291
Income available to common shareholders including assumed conversions, diluted	$ 129,002	$ 115,344	$ 377,561	$ 338,291
Basic weighted average shares outstanding	341,188	342,992	342,254	343,681
Stock options and non-vested shares, incremental shares	8,138	8,457	8,214	8,651
Diluted weighted average shares outstanding	349,326	351,449	350,468	352,332
Basic earnings per share	$ 0.38	$ 0.34	$ 1.10	$ 0.98
Diluted earnings per share	$ 0.37	$ 0.33	$ 1.08	$ 0.96