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

Commitments and Contingencies (Details)

v3.7.0.1
Commitments and Contingencies (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 30, 2017
Mar. 31, 2016
Dec. 29, 2016
Dec. 31, 2015
Dec. 25, 2014
Future minimum lease payments under non cancelable operating leases          
Thirty-nine weeks ended December 28, 2017 $ 49,944        
2018 78,172   $ 71,913    
2019 79,340   73,580    
2020 75,958   71,598    
2021 71,989   67,875    
Thereafter 394,392   369,231    
Total minimum lease payments 749,795   717,537    
Lease expense $ 16,988 $ 12,142 $ 53,899 $ 41,756 $ 29,774