Recent Accounting Pronouncements - Additional Information (Details) - USD ($)	12 Months Ended
	Jun. 24, 2018	Jun. 25, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings under the modified retrospective method	$ 371,753,000	$ 339,940,000
Estimated future minimum lease payments under non-cancelable operating leases	5,835,000
ASU 2016-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Decrease to provision for income taxes for excess tax benefits	230,000
Maximum [Member] | ASU 2014-09 [Member] | Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings under the modified retrospective method	$ 1,000,000