Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		4 Months Ended	12 Months Ended
	Jan. 02, 2016	Jul. 12, 2014	Apr. 19, 2014	Jan. 03, 2015
Goodwill And Intangible Assets Disclosure [Line Items]
Goodwill impairment loss		$ 2,600		$ 2,624
Additional indefinite lived intangible assets separately identified from goodwill	$ 414,000			455,000
DSD Segment
Goodwill And Intangible Assets Disclosure [Line Items]
Goodwill impairment loss			$ 2,624	$ 2,624
Barowsky’s
Goodwill And Intangible Assets Disclosure [Line Items]
Finite-lived intangible asset amortization periods	35 years