Revenue Recognition - Schedule of Disaggregation of Revenue According to Sales Mix for Principal Product Categories (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Apr. 01, 2017
Disaggregation Of Revenue [Line Items]
Net sales	$ 5,822,521	$ 5,788,425
Meats and Seafood [Member]
Disaggregation Of Revenue [Line Items]
Net sales	2,067,918	2,032,186
Dry Grocery Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales	1,042,259	1,056,385
Refrigerated and Frozen Grocery Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales	944,142	931,994
Dairy [Member]
Disaggregation Of Revenue [Line Items]
Net sales	609,506	606,776
Equipment, Disposables and Supplies [Member]
Disaggregation Of Revenue [Line Items]
Net sales	539,971	540,279
Beverage Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales	318,432	319,669
Produce [Member]
Disaggregation Of Revenue [Line Items]
Net sales	$ 300,293	$ 301,136