Intangible Assets, Net - Components of Intangible Assets, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 24, 2018
Finite Lived Intangible Assets [Line Items]
Intangible assets, gross	$ 25,906	$ 25,725
Intangible assets, accumulated amortization	(23,736)	(22,735)
Total intangible assets, net	2,170	2,990
Customer Lists [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets, gross	23,615	23,615
Intangible assets, accumulated amortization	(23,166)	(22,527)
Non-compete Agreements [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets, gross	1,875	1,925
Intangible assets, accumulated amortization	(438)	(108)
Trademarks, Licenses and Other [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets, gross	416	185
Intangible assets, accumulated amortization	$ (132)	$ (100)