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Impairment Of Long-Lived Assets And Other Lease Charges (Tables)
 12 Months Ended
Dec. 30, 2018
Restructuring Costs and Asset Impairment Charges [Abstract]  
Closed Restaurant Reserve [Table Text Block]
The following table presents the activity in the accrual for closed restaurant locations:
 
December 30, 2018
 
December 31, 2017
Balance, beginning of year
$
2,028

 
$
1,513

Provisions for closures
249

 
1,174

Changes in estimates of accrued costs
(147
)
 
81

Payments, net
(889
)
 
(862
)
Other adjustments, including the effect of discounting future obligations
111

 
122

Balance, end of year
$
1,352

 
$
2,028