Leases - Other Supplemental Information (Details) - USD ($)	6 Months Ended
	Dec. 27, 2019	Jun. 30, 2019
Business Acquisition [Line Items]
Cash paid for amounts included in the measurement of operating lease liabilities	$ 3,524
Right-of-use assets obtained in exchange for new lease liabilities	$ 5,606,000
Weighted average remaining lease term	9 years 2 months 12 days
Weighted average discount rate	4.84%
Right-of-use assets	$ 49,826,000	$ 0