Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Acquisitions - Summary of Purchased Intangible Assets (Detail) - USD ($) $ in Thousands			6 Months Ended
	Apr. 15, 2019	Aug. 27, 2018	Jun. 28, 2019
Quantum Global Technologies, LLC [Member]
Business Acquisition [Line Items]
Purchased intangible assets		$ 171,500
Quantum Global Technologies, LLC [Member] \| Customer Relationships [Member]
Business Acquisition [Line Items]
Purchased intangible assets		$ 74,800
Total purchased intangible assets, useful life		10 years	10 years
Quantum Global Technologies, LLC [Member] \| Trade Name [Member]
Business Acquisition [Line Items]
Purchased intangible assets		$ 14,900
Total purchased intangible assets, useful life		4 years	4 years
Quantum Global Technologies, LLC [Member] \| Recipes [Member]
Business Acquisition [Line Items]
Purchased intangible assets		$ 73,200
Total purchased intangible assets, useful life		20 years	20 years
Quantum Global Technologies, LLC [Member] \| Standard Operating Procedures [Member]
Business Acquisition [Line Items]
Purchased intangible assets		$ 8,600
Total purchased intangible assets, useful life		20 years	20 years
Dynamic Manufacturing Solutions [Member]
Business Acquisition [Line Items]
Purchased intangible assets	$ 6,900
Dynamic Manufacturing Solutions [Member] \| Customer Relationships [Member]
Business Acquisition [Line Items]
Purchased intangible assets	$ 6,900
Total purchased intangible assets, useful life	6 years		6 years