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Leases - Narrative (Details) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 28, 2021 USD ($) ft²	Mar. 29, 2020 USD ($)	Mar. 28, 2021 USD ($) ft²	Mar. 29, 2020 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease expense	$ 1.3	$ 1.3	$ 4.1	$ 3.7
Finance lease amortization	0.2	0.2	0.6	0.2
Interest expense on finance leases	$ 0.1	0.1	$ 0.2	0.1
Area of property in lease agreement (square feet) | ft²	58,000		58,000
Lease income per year	$ 3.6		$ 3.6
Operating lease, term of contract	24 months		24 months
Lease income	$ 0.3		$ 0.3
Variable lease income	$ 0.0	$ 0.0	$ 0.0	$ 0.0
Maximum
Lessee, Lease, Description [Line Items]
Notice of termination (in days)			60 days
Minimum
Lessee, Lease, Description [Line Items]
Notice of termination (in days)			30 days
New York
Lessee, Lease, Description [Line Items]
Term of finance lease	49 years		49 years

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