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Reporting Segment Information - Schedule of Segment Reporting Information, by Operating Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 06, 2018	Oct. 07, 2017	Oct. 06, 2018	Oct. 07, 2017	Dec. 30, 2017
Segment Reporting Information [Line Items]
Net sales	$ 1,886,730	$ 1,868,398	$ 6,167,756	$ 6,078,299
Merger/acquisition and integration	521	2,392	3,531	7,031
Restructuring charges (gains) and asset impairment	232	35,626	5,269	36,633
Depreciation and amortization	19,247	18,947	63,491	62,632
Operating earnings (loss)	26,806	(193,898)	82,372	(125,453)
Capital expenditures	18,004	17,503	52,600	55,292
Goodwill impairment		189,027		189,027
Total Assets	2,054,041		2,054,041		$ 2,055,797
Discontinued Operations [Member]
Segment Reporting Information [Line Items]
Total Assets	3,474		3,474		3,446
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	1,886,730	1,868,398	6,167,756	6,078,299
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales	(195,451)	(204,605)	(647,163)	(681,368)
Food Distribution [Member]
Segment Reporting Information [Line Items]
Net sales	940,183	899,151	3,037,096	2,916,425
Merger/acquisition and integration	479	939	3,419	5,254
Restructuring charges (gains) and asset impairment	(68)	379	1,292	1,280
Depreciation and amortization	7,540	6,354	24,398	21,370
Operating earnings (loss)	19,815	20,322	63,060	68,769
Capital expenditures	7,840	4,402	26,250	18,431
Total Assets	1,148,087		1,148,087		1,085,621
Food Distribution [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	940,183	899,151	3,037,096	2,916,425
Food Distribution [Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales	(195,451)	(204,605)	(647,163)	(681,368)
Military [Member]
Segment Reporting Information [Line Items]
Net sales	500,222	505,631	1,653,496	1,620,021
Merger/acquisition and integration		1,453	4	1,453
Restructuring charges (gains) and asset impairment	29	500	(801)	500
Depreciation and amortization	2,816	2,786	9,257	8,832
Operating earnings (loss)	1,508	1,111	6,120	4,492
Capital expenditures	950	1,940	2,479	5,994
Total Assets	417,183		417,183		432,818
Military [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	500,222	505,631	1,653,496	1,620,021
Retail [Member]
Segment Reporting Information [Line Items]
Net sales	446,325	463,616	1,477,164	1,541,853
Merger/acquisition and integration	42		108	324
Restructuring charges (gains) and asset impairment	271	34,747	4,778	34,853
Depreciation and amortization	8,891	9,807	29,836	32,430
Operating earnings (loss)	5,483	(215,331)	13,192	(198,714)
Capital expenditures	9,214	11,161	23,871	30,867
Goodwill impairment		189,027		189,027
Total Assets	485,297		485,297		$ 533,912
Retail [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	$ 446,325	$ 463,616	$ 1,477,164	$ 1,541,853

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