Income Taxes - Reconciliation of the Beginning and Ending Amount of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 27, 2021	Jun. 28, 2020
Reconciliation of the beginning and ending amount of unrecognized tax benefits
Unrecognized tax benefits, beginning of year	$ 1,462	$ 1,138
Gross increases – tax positions in prior years	76	140
Gross increases – current period tax positions	207	245
Tax years closed	(287)	(61)
Unrecognized tax benefits, end of year	$ 1,458	$ 1,462