Annual report pursuant to Section 13 and 15(d)

Gain on insurance settlements (Details)

v3.19.1
Gain on insurance settlements (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 30, 2018
Dec. 31, 2017
Dec. 25, 2016
Gain on insurance settlements [Abstract]      
Insurance settlements   $ 2,262  
Proceeds from insurance settlements   1,000  
Insurance Settlements Receivable   1,300  
Costs and expenses   460  
Assets disposed, net   440  
Gain on insurance settlements $ 0 $ (1,362) $ 0