Other Non-Current Assets - Amortization Expense for Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 27, 2021	Jun. 28, 2020	Jun. 30, 2019
Finite Lived Intangible Assets [Line Items]
Amortization expense	$ 1,078	$ 855	$ 1,112
Customer Lists [Member]
Finite Lived Intangible Assets [Line Items]
Amortization expense	556	326	639
Non-compete Agreements [Member]
Finite Lived Intangible Assets [Line Items]
Amortization expense	375	375	379
Trademarks [Member]
Finite Lived Intangible Assets [Line Items]
Amortization expense	$ 147	$ 154	$ 94