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Reporting Segment Information - Schedule of Segment Reporting Information, by Operating Segment (Detail) - USD ($) $ in Thousands	3 Months Ended						4 Months Ended		9 Months Ended	12 Months Ended
	Jan. 02, 2016	Oct. 10, 2015	Jul. 18, 2015	Jan. 03, 2015	Oct. 04, 2014	Jul. 12, 2014	Apr. 25, 2015	Apr. 19, 2014	Dec. 28, 2013	Jan. 02, 2016	Jan. 03, 2015
Segment Reporting Information [Line Items]
Net sales	$ 1,768,025	$ 1,775,401	$ 1,795,864	$ 1,962,589	$ 1,809,571	$ 1,810,175	$ 2,312,683	$ 2,333,727	$ 2,597,230	$ 7,651,973	$ 7,916,062
Merger integration and acquisition expenses	1,181	$ 4,417	$ 151	4,547	$ 1,379	$ 2,581	$ 2,684	$ 4,168	20,993	8,433	12,675
Depreciation and amortization									37,082	83,334	86,994
Operating earnings									16,793	122,875	114,846
Capital expenditures									37,200	79,394	90,012
Total Assets	1,925,448			1,932,282					1,983,651	1,925,448	1,932,282
Discontinued Operations [Member]
Segment Reporting Information [Line Items]
Total Assets	4,487			4,742					4,767	4,487	4,742
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales									2,597,230	7,651,973	7,916,062
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales									(533,470)	(973,512)	(1,005,844)
Military [Member]
Segment Reporting Information [Line Items]
Merger integration and acquisition expenses											27
Depreciation and amortization									1,412	12,081	11,350
Operating earnings									1,901	17,059	21,721
Capital expenditures									2,246	3,768	15,088
Total Assets	416,220			435,647					451,518	416,220	435,647
Military [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales									248,643	2,207,161	2,275,512
Food Distribution [Member]
Segment Reporting Information [Line Items]
Merger integration and acquisition expenses									20,993	2,037	12,644
Depreciation and amortization									7,706	26,127	29,816
Operating earnings									(1,328)	78,841	54,802
Capital expenditures									13,867	17,967	31,953
Total Assets	754,329			763,914					805,468	754,329	763,914
Food Distribution [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales									1,095,759	3,305,094	3,356,331
Food Distribution [Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales									(533,470)	(973,512)	(1,005,844)
Retail [Member]
Segment Reporting Information [Line Items]
Merger integration and acquisition expenses										6,396	4
Depreciation and amortization									27,964	45,126	45,828
Operating earnings									16,220	26,975	38,323
Capital expenditures									21,087	57,659	42,971
Total Assets	$ 750,412			$ 727,979					721,898	750,412	727,979
Retail [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales									$ 1,252,828	$ 2,139,718	$ 2,284,219

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