CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013
REVENUES:
Revenue	$ 2,216,528	$ 1,993,833	$ 1,802,223
COST OF SALES:
Cost of sales	1,533,397	1,399,067	1,253,249
OPERATING MARGIN	683,131	594,766	548,974
GENERAL AND ADMINISTRATIVE	277,692	249,405	235,163
INCOME FROM OPERATIONS	405,439	345,361	313,811
INTEREST INCOME	313	143	160
INTEREST EXPENSE	(99,537)	(86,881)	(88,872)
INCOME BEFORE PROVISION FOR INCOME TAXES	306,215	258,623	225,099
PROVISION FOR INCOME TAXES	113,426	96,036	82,114
NET INCOME	$ 192,789	$ 162,587	$ 142,985
EARNINGS PER SHARE:
Common Stock - basic	$ 3.58	$ 2.96	$ 2.58
Common Stock - diluted	3.47	2.86	2.48
Dividends declared per share	$ 1.24	$ 1.00	$ 0.80
Domestic Stores [Member] | Domestic Company Owned Stores [Member]
REVENUES:
Revenue	$ 396,916	$ 348,497	$ 337,414
COST OF SALES:
Cost of sales	299,294	267,385	256,596
Domestic Stores [Member] | Domestic Franchise [Member]
REVENUES:
Revenue	272,808	230,192	212,369
Supply Chain [Member]
REVENUES:
Revenue	1,383,161	1,262,523	1,118,873
COST OF SALES:
Cost of sales	1,234,103	1,131,682	996,653
International Franchise [Member]
REVENUES:
Revenue	$ 163,643	$ 152,621	$ 133,567