Acquisition - Summary of Purchased Intangible Assets (Detail) - Quantum Global Technologies, LLC [Member] - USD ($) $ in Thousands		9 Months Ended
	Aug. 27, 2018	Sep. 28, 2018
Business Acquisition [Line Items]
Purchased intangible assets	$ 176,200
Customer Relationships [Member]
Business Acquisition [Line Items]
Purchased intangible assets	$ 79,500
Total purchased intangible assets, useful life	10 years	10 years
Trade Name [Member]
Business Acquisition [Line Items]
Purchased intangible assets	$ 14,900
Total purchased intangible assets, useful life	4 years	4 years
Recipes [Member]
Business Acquisition [Line Items]
Purchased intangible assets	$ 73,200
Total purchased intangible assets, useful life	20 years	20 years
Standard Operating Procedures [Member]
Business Acquisition [Line Items]
Purchased intangible assets	$ 8,600
Total purchased intangible assets, useful life	20 years	20 years