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. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Earnings Per Share [Abstract]
Income available to common shareholders, basic	$ 115,344	$ 98,887	$ 338,291	$ 285,424
Income available to common shareholders including assumed conversions, diluted	$ 115,344	$ 98,887	$ 338,291	$ 285,424
Basic weighted average shares outstanding	342,992	342,502	343,681	341,287
Stock options and non-vested shares, incremental shares	8,457	9,237	8,651	9,746
Diluted weighted average shares outstanding	351,449	351,739	352,332	351,033
Basic earnings per share	$ 0.34	$ 0.29	$ 0.98	$ 0.84
Diluted earnings per share	$ 0.33	$ 0.28	$ 0.96	$ 0.81

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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Net Income or Loss Available to Common Stockholders plus adjustments resulting from the assumption that dilutive convertible securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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