Condensed Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 06, 2012	Oct. 08, 2011	Oct. 06, 2012	Oct. 08, 2011
Sales	$ 717,282	$ 675,369	$ 2,297,049	$ 2,119,790
Materials, supplies, labor and other production costs (exclusive of depreciation and amortization shown separately below)	382,508	365,706	1,227,144	1,119,851
Selling, distribution and administrative expenses	257,326	239,084	833,829	775,841
Depreciation and amortization	24,757	22,816	76,751	71,706
Income from operations	52,691	47,763	159,325	152,392
Interest expense	(6,708)	(2,838)	(17,014)	(7,359)
Interest income	3,140	3,103	10,487	9,982
Income before income taxes	49,123	48,028	152,798	155,015
Income tax expense	17,892	17,009	55,244	54,625
Net income	$ 31,231	$ 31,019	$ 97,554	$ 100,390
Basic:
Net income per common share	$ 0.23	$ 0.23	$ 0.72	$ 0.74
Weighted average shares outstanding	138,027	135,617	136,348	135,384
Diluted:
Net income per common share	$ 0.22	$ 0.23	$ 0.71	$ 0.73
Weighted average shares outstanding	139,717	137,207	138,110	136,851
Cash dividends paid per common share	$ 0.160	$ 0.150	$ 0.470	$ 0.433