CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 29, 2015	Dec. 30, 2014
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	250,000,000	250,000,000
Common stock, shares issued	93,126,667	91,790,499
Treasury stock, shares	44,064,322	41,919,312
Preferred stock
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0