Revenue Recognition - Summary of Revenue Disaggregated by Sales Channel (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 28, 2019	Mar. 29, 2018	Mar. 28, 2019	Mar. 29, 2018
Disaggregation of Revenue [Line Items]
Total	$ 201,834	$ 202,786	$ 659,439	$ 677,255
Consumer [Member]
Disaggregation of Revenue [Line Items]
Total	142,011	134,994	477,381	452,495
Commercial Ingredients [Member]
Disaggregation of Revenue [Line Items]
Total	32,219	38,943	100,427	110,930
Contract Packaging [Member]
Disaggregation of Revenue [Line Items]
Total	$ 27,604	$ 28,849	$ 81,631	$ 113,830

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration