Annual report pursuant to Section 13 and 15(d)

Disaggregated Revenue (Details)

v3.10.0.1
Disaggregated Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 27, 2018
Sep. 27, 2018
Jun. 28, 2018
Mar. 29, 2018
Dec. 28, 2017
Sep. 28, 2017
Jun. 29, 2017
Mar. 30, 2017
Dec. 27, 2018
Dec. 28, 2017
Dec. 29, 2016
Net Sales $ 436,739 $ 435,882 $ 434,279 $ 402,948 $ 389,501 $ 343,923 $ 344,047 $ 307,296 $ 1,709,848 $ 1,384,767 $ 1,050,759
Percentage of Net Sales                 100.00%    
Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Net Sales                   $ 1,384,767 $ 1,050,759
Percentage of Net Sales                   100.00% 100.00%
Tile                      
Net Sales                 $ 476,337    
Percentage of Net Sales                 27.00%    
Tile | Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Net Sales                   $ 419,745 $ 325,433
Percentage of Net Sales                   30.00% 31.00%
Decorative Accessories                      
Net Sales                 $ 325,139    
Percentage of Net Sales                 19.00%    
Decorative Accessories | Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Net Sales                   $ 257,684 $ 188,371
Percentage of Net Sales                   19.00% 18.00%
Laminate Luxury Vinyl Plank                      
Net Sales                 $ 316,109    
Percentage of Net Sales                 18.00%    
Laminate Luxury Vinyl Plank | Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Net Sales                   $ 208,238 $ 131,447
Percentage of Net Sales                   15.00% 12.00%
Installation Materials And Tools [Member]                      
Net Sales                 $ 272,994    
Percentage of Net Sales                 16.00%    
Installation Materials And Tools [Member] | Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Net Sales                   $ 217,427 $ 165,330
Percentage of Net Sales                   16.00% 16.00%
Wood                      
Net Sales                 $ 192,087    
Percentage of Net Sales                 12.00%    
Wood | Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Net Sales                   $ 167,152 $ 142,751
Percentage of Net Sales                   12.00% 14.00%
Natural Stone                      
Net Sales                 $ 113,565    
Percentage of Net Sales                 7.00%    
Natural Stone | Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Net Sales                   $ 104,670 $ 90,866
Percentage of Net Sales                   8.00% 9.00%
Delivery and Other                      
Net Sales                 $ 13,617    
Percentage of Net Sales                 1.00%    
Delivery and Other | Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Net Sales                   $ 9,851 $ 6,561
Percentage of Net Sales                   0.00% 0.00%