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Leases - Narrative (Details)
$ in Millions
 3 Months Ended 6 Months Ended
Dec. 29, 2019
USD ($)
Dec. 29, 2019
USD ($)
reportable_segments
Lessee, Lease, Description [Line Items]    
Operating lease expense $ 1.6 $ 3.0
Finance lease amortization and interest expense (less than) $ 0.1 $ 0.1
Minimum    
Lessee, Lease, Description [Line Items]    
Number of renewal options | reportable_segments   1
Renewal term of leases   1 year
Maximum    
Lessee, Lease, Description [Line Items]    
Renewal term of leases   5 years