Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Revenues (Details)

v3.10.0.1
Summary of Significant Accounting Policies - Revenues (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 28, 2018
Jun. 29, 2017
Revenue from Contract with Customer [Abstract]    
Number Of Days Customer May Return Merchandise 90 days  
Gift card breakage income $ 1,172  
Calculated under Revenue Guidance in Effect before Topic 606 [Member]    
Revenue from Contract with Customer [Abstract]    
Gift card breakage income   $ 348