General form of registration statement for all companies including face-amount certificate companies

Commitments and Contingencies (Details)

v3.8.0.1
Commitments and Contingencies (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 28, 2017
Sep. 29, 2016
Dec. 29, 2016
Dec. 31, 2015
Dec. 25, 2014
Future minimum lease payments under non cancelable operating leases          
Thirteen weeks ended December 28, 2017 $ 18,100        
2018 81,967   $ 71,913    
2019 92,825   73,580    
2020 91,135   71,598    
2021 87,128   67,875    
Thereafter 564,361   369,231    
Total minimum lease payments 935,516   717,537    
Lease expense $ 51,956 $ 39,211 $ 53,899 $ 41,756 $ 29,774