Condensed Consolidated Statements Of Equity (Unaudited) (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014	Jan. 03, 2015	Dec. 28, 2013
Statement of Stockholders' Equity [Abstract]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01
Dividends declared, per share (in dollars per share)	$ 0.23	$ 0.22	$ 0.68	$ 0.64