Earnings Per Share (Schedule of Reconciliation of Number of Shares Utilized in Earnings Per Share Calculations) (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Oct. 04, 2015	Sep. 28, 2014	Oct. 04, 2015	Sep. 28, 2014
Earnings Per Share [Abstract]
Number of common shares-basic	112,632	112,646	112,763	112,662
Effect of dilutive securities, Stock options	580	870	633	964
Effect of dilutive securities, Restricted stock	210	243	169	210
Number of common shares-diluted	113,422	113,759	113,565	113,836
Number of potentially dilutive securities excluded from calculation due to antidilutive impact	521	482	649	480