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)
$ in Thousands
9 Months Ended 12 Months Ended
Dec. 11, 2015
plaintiff
Sep. 28, 2017
USD ($)
Sep. 29, 2016
USD ($)
Dec. 29, 2016
USD ($)
item
Dec. 31, 2015
USD ($)
Dec. 25, 2014
USD ($)
Jun. 30, 2016
USD ($)
Future minimum lease payments under non cancelable operating leases              
2017       $ 63,340      
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  
Litigation              
Number of plaintiffs | plaintiff 6            
Estimable and probable loss accrued             $ 14,000
Receivables to offset to litigation settlement expense       $ 3,500      
Number of members excluded from the settlement | item       7