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Lease Income (Details)
$ in Thousands
3 Months Ended
Mar. 27, 2019
USD ($)
Lessor, Lease, Description [Line Items]  
Total lease income $ 7,611
Restructuring and Exit Costs [Member]  
Lessor, Lease, Description [Line Items]  
Operating lease income 66
Franchise [Member]  
Lessor, Lease, Description [Line Items]  
Operating lease income 5,425
Variable lease income $ 2,120