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Leases - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
May 26, 2019
May 27, 2018
Feb. 23, 2020
Lessee, Lease, Description [Line Items]      
Finance lease right of use asset before accumulated amortization     $ 3,800
Property and equipment, net $ 200,027   191,782
Finance lease, right of use asset, accumulated amortization     $ 400
Operating leases rent expense 7,300 $ 6,100  
Assets Held Under Finance Leases      
Lessee, Lease, Description [Line Items]      
Property and equipment, net 3,800    
Accumulated amortization $ 400