Revenues from contracts with customers - Additional Information (Detail) $ in Thousands	9 Months Ended
	Mar. 27, 2020 USD ($)
Revenue From Contract With Customers [Line Items]
Product warranty, description	The Company generally provides a warranty of between one to five years
Incremental cost	$ 0
Minimum
Revenue From Contract With Customers [Line Items]
Product warranty term	1 year
Maximum
Revenue From Contract With Customers [Line Items]
Product warranty term	5 years