Condensed Consolidated Income Statement (Details) (USD $) In Thousands, unless otherwise specified	4 Months Ended
	Apr. 25, 2015	Apr. 19, 2014
Condensed Income Statements, Captions [Line Items]
Net sales	$ 3,038,233	$ 2,969,499
Cost of sales, including purchasing and warehousing costs	1,644,309	1,616,377
Gross profit	1,393,924	1,353,122
Selling, general and administrative expenses	1,131,396	1,097,320
Operating income (loss)	262,528	255,802
Interest expense	(21,777)	(23,642)
Other income (expense), net	(1,908)	603
Total other, net	(23,685)	(23,039)
Income before provision for income taxes	238,843	232,763
Provision for income taxes	90,731	85,037
Income before equity in earnings of subsidiaries	148,112	147,726
Equity in earnings of subsidiaries	0	0
Net income	148,112	147,726
Parent Company [Member]
Condensed Income Statements, Captions [Line Items]
Net sales	0	0
Cost of sales, including purchasing and warehousing costs	0	0
Gross profit	0	0
Selling, general and administrative expenses	4,728	3,965
Operating income (loss)	(4,728)	(3,965)
Interest expense	(16,282)	(16,030)
Other income (expense), net	21,012	20,048
Total other, net	4,730	4,018
Income before provision for income taxes	2	53
Provision for income taxes	10	67
Income before equity in earnings of subsidiaries	(8)	(14)
Equity in earnings of subsidiaries	148,120	147,740
Net income	148,112	147,726
Guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Net sales	2,955,591	2,886,146
Cost of sales, including purchasing and warehousing costs	1,610,362	1,575,210
Gross profit	1,345,229	1,310,936
Selling, general and administrative expenses	1,115,813	1,081,198
Operating income (loss)	229,416	229,738
Interest expense	(5,582)	(7,454)
Other income (expense), net	(2,181)	(3,027)
Total other, net	(7,763)	(10,481)
Income before provision for income taxes	221,653	219,257
Provision for income taxes	87,718	82,558
Income before equity in earnings of subsidiaries	133,935	136,699
Equity in earnings of subsidiaries	14,185	11,041
Net income	148,120	147,740
Non-Guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Net sales	171,385	153,236
Cost of sales, including purchasing and warehousing costs	122,690	111,050
Gross profit	48,695	42,186
Selling, general and administrative expenses	29,123	29,572
Operating income (loss)	19,572	12,614
Interest expense	87	(158)
Other income (expense), net	(2,471)	997
Total other, net	(2,384)	839
Income before provision for income taxes	17,188	13,453
Provision for income taxes	3,003	2,412
Income before equity in earnings of subsidiaries	14,185	11,041
Equity in earnings of subsidiaries	0	0
Net income	14,185	11,041
Consolidation, Eliminations [Member]
Condensed Income Statements, Captions [Line Items]
Net sales	(88,743)	(69,883)
Cost of sales, including purchasing and warehousing costs	(88,743)	(69,883)
Gross profit	0	0
Selling, general and administrative expenses	(18,268)	(17,415)
Operating income (loss)	18,268	17,415
Interest expense	0	0
Other income (expense), net	(18,268)	(17,415)
Total other, net	(18,268)	(17,415)
Income before provision for income taxes	0	0
Provision for income taxes	0	0
Income before equity in earnings of subsidiaries	0	0
Equity in earnings of subsidiaries	(162,305)	(158,781)
Net income	$ (162,305)	$ (158,781)