Earnings Per Share (Schedule Of Anti-Dilutive Common Share Equivalents) (Details) - shares shares in Thousands	3 Months Ended
	Mar. 29, 2015	Mar. 30, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average common share equivalents associated with anti-dilutive stock options and restricted stock units excluded from the computation of diluted EPS	2,210	2,260
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average common share equivalents associated with anti-dilutive stock options and restricted stock units excluded from the computation of diluted EPS	292	345
Deferred Compensation Arrangement
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average common share equivalents associated with anti-dilutive stock options and restricted stock units excluded from the computation of diluted EPS	27	17