Fair Value of Financial Instruments - Carrying Value and Fair Value Estimate of Current and Long Term Debt (Detail) - USD ($) $ in Thousands	Mar. 29, 2018	Jun. 29, 2017	Mar. 30, 2017
Fair Value Disclosures [Abstract]
Carrying value of long-term debt:	$ 36,428	$ 28,808	$ 29,671
Fair value of long-term debt:	$ 35,409	$ 29,316	$ 30,186

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

No definition available.

Name:	us-gaap_LongTermDebtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant