Investor Information (Details)	3 Months Ended												12 Months Ended
	Jan. 02, 2016 $ / shares	Oct. 03, 2015 $ / shares	Jul. 04, 2015 $ / shares	Apr. 04, 2015 $ / shares	Jan. 03, 2015 $ / shares	Sep. 27, 2014 $ / shares	Jun. 28, 2014 $ / shares	Mar. 29, 2014 $ / shares	Dec. 28, 2013 $ / shares	Sep. 28, 2013 $ / shares	Jun. 29, 2013 $ / shares	Mar. 30, 2013 $ / shares	Jan. 02, 2016 $ / shares	Jan. 03, 2015 $ / shares	Dec. 28, 2013 $ / shares	Dec. 29, 2012 $ / shares	Dec. 31, 2011 $ / shares
Investor Information [Abstract]
Market Price, High	$ 47.68	$ 52.52	$ 57.74	$ 56.47	$ 52.90	$ 40.43	$ 39.29	$ 39.42	$ 40.10	$ 40.73	$ 38.53	$ 35.74	$ 57.74	$ 52.90	$ 40.73	$ 32.02	$ 36.48
Market Price, Low	35.53	41.29	46.19	38.01	34.75	34.62	31.61	31.00	32.83	32.38	31.45	28.28	35.53	31.00	28.28	21.57	15.78
Dividends per Share	0.265	0.265	0.265	0.25	0.25	0.25	0.25	0.24	$ 0.24	$ 0.24	$ 0.24	$ 0.24	1.045	0.99	0.96
Diluted Earnings per Share	$ 0.71	$ 0.90	$ 0.52	$ 0.19	$ 0.16	$ 0.74	$ 0.21	$ 0.24					$ 2.32	$ 1.35	$ 1.39	$ 1.07	$ 1.01
Price/Earnings Ratio, High													25	39	29	30	36
Price/Earnings Ratio, Low													15	23	20	20	16
Price/Earnings Ratio, High, Five-Years Average													32
Price/Earnings Ratio, Low, Five-Years Average													19