Revenue Recognition and Contracts with Customers - Additional Information (Details) - USD ($)		12 Months Ended
Jul. 01, 2018	Jun. 30, 2020	Jun. 30, 2019
Refund liabilities	$ 1,627,000
Return related assets	716,000
Net decrease to opening retained earnings		$ 79,444,000	$ 70,924,000
Tax benefit		2,284,000	1,222,000
Current Liabilities
Refund liabilities		3,331,000	3,524,000
Other Current Assets
Return related assets		$ 701,000	$ 820,000
Sales Revenue, Product Line
Concentration Risk, Percentage		9.00%	8.00%
Cumulative Effect, Period of Adoption, Adjustment
Net decrease to opening retained earnings	719,000
Tax benefit	$ 191,000

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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