Acquisitions - Additional Information (Detail) $ in Thousands		3 Months Ended
	Oct. 07, 2016 USD ($)	Apr. 01, 2017 USD ($) ft² Item	Apr. 02, 2016 USD ($)
Business Acquisition [Line Items]
Net sales | $		$ 402,729	$ 394,495
Net income | $		28,208	$ 16,564
Allied [Member]
Business Acquisition [Line Items]
Purchase price net of cash acquired | $	$ 62,319
Cash acquired for acquisition | $	$ 440
Net sales | $		14,118
Net income | $		$ 639
Allied [Member] | Manufacturing Facility, Vineland, New Jersey [Member]
Business Acquisition [Line Items]
Area of facility | ft²		20,000
Number of cook lines | Item		2
Number of raw slicing lines | Item		3
Number of breakaway steak line | Item		1
Allied [Member] | Manufacturing Facility, New [Member]
Business Acquisition [Line Items]
Area of facility | ft²		70,000
Number of cook lines | Item		4
Number of raw slicing lines | Item		7
Number of breakaway steak line | Item		7