Income Tax Disclosure [Line Items]

No definition available.

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- Definition

Tax year that remains open to examination under enacted tax laws, in CCYY format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 10B
-URI http://asc.fasb.org/extlink&oid=84176650&loc=SL37586934-109318

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319

+ Details

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- Definition

Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319

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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 27, 2019	Jun. 28, 2018	Jun. 29, 2017	Jun. 30, 2016
IncomeTaxDisclosure [Line Items]
Unrecognized tax benefits and accrued interest and penalties long-term	$ 259	$ 214
Total gross amounts of unrecognized tax benefits	$ 240	$ 207	$ 174	$ 24
Illinois [Member]
IncomeTaxDisclosure [Line Items]
Year of tax returns audit	2016 2017 2018
California [Member]
IncomeTaxDisclosure [Line Items]
Year of tax returns audit	2015 2016 2017 2018
United States [Member]
IncomeTaxDisclosure [Line Items]
Year of tax returns audit	2016 2017 2018