Intangible Assets, Net - Amortization Expense for Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 24, 2018
Finite Lived Intangible Assets [Line Items]
Amortization expense	$ 855	$ 1,112	$ 1,110
Customer Lists [Member]
Finite Lived Intangible Assets [Line Items]
Amortization expense	326	639	843
Non-compete Agreements [Member]
Finite Lived Intangible Assets [Line Items]
Amortization expense	375	379	205
Trademarks [Member]
Finite Lived Intangible Assets [Line Items]
Amortization expense	$ 154	$ 94	$ 62