Annual report pursuant to Section 13 and 15(d)

Revenues (Details)

v3.19.3.a.u2
Revenues (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 26, 2019
USD ($)
Sep. 26, 2019
USD ($)
Jun. 27, 2019
USD ($)
Mar. 28, 2019
USD ($)
Dec. 27, 2018
USD ($)
Sep. 27, 2018
USD ($)
Jun. 28, 2018
USD ($)
Mar. 29, 2018
USD ($)
Dec. 26, 2019
USD ($)
segment
Dec. 27, 2018
USD ($)
Dec. 28, 2017
USD ($)
Disaggregation of Revenue [Line Items]                      
Number of reportable segments | segment                 1    
Number of operating segments | segment                 1    
Net Sales $ 527,002 $ 521,093 $ 520,311 $ 477,050 $ 436,739 $ 435,882 $ 434,279 $ 402,948 $ 2,045,456 $ 1,709,848 $ 1,384,767
Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Disaggregation of Revenue [Line Items]                      
Net Sales                     $ 1,384,767
Revenue from Contract with Customer, Product and Service Benchmark [Member] | Product Concentration Risk [Member]                      
Disaggregation of Revenue [Line Items]                      
% of Net Sales                 100.00% 100.00%  
Revenue from Contract with Customer, Product and Service Benchmark [Member] | Product Concentration Risk [Member] | Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Disaggregation of Revenue [Line Items]                      
% of Net Sales                     100.00%
Tile                      
Disaggregation of Revenue [Line Items]                      
Net Sales                 $ 523,076 $ 476,337  
Tile | Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Disaggregation of Revenue [Line Items]                      
Net Sales                     $ 419,745
Tile | Revenue from Contract with Customer, Product and Service Benchmark [Member] | Product Concentration Risk [Member]                      
Disaggregation of Revenue [Line Items]                      
% of Net Sales                 26.00% 27.00%  
Tile | Revenue from Contract with Customer, Product and Service Benchmark [Member] | Product Concentration Risk [Member] | Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Disaggregation of Revenue [Line Items]                      
% of Net Sales                     30.00%
Laminate Luxury Vinyl Plank                      
Disaggregation of Revenue [Line Items]                      
Net Sales                 $ 442,171 $ 316,109  
Laminate Luxury Vinyl Plank | Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Disaggregation of Revenue [Line Items]                      
Net Sales                     $ 208,238
Laminate Luxury Vinyl Plank | Revenue from Contract with Customer, Product and Service Benchmark [Member] | Product Concentration Risk [Member]                      
Disaggregation of Revenue [Line Items]                      
% of Net Sales                 22.00% 18.00%  
Laminate Luxury Vinyl Plank | Revenue from Contract with Customer, Product and Service Benchmark [Member] | Product Concentration Risk [Member] | Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Disaggregation of Revenue [Line Items]                      
% of Net Sales                     15.00%
Decorative Accessories                      
Disaggregation of Revenue [Line Items]                      
Net Sales                 $ 393,908 $ 325,139  
Decorative Accessories | Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Disaggregation of Revenue [Line Items]                      
Net Sales                     $ 257,684
Decorative Accessories | Revenue from Contract with Customer, Product and Service Benchmark [Member] | Product Concentration Risk [Member]                      
Disaggregation of Revenue [Line Items]                      
% of Net Sales                 19.00% 19.00%  
Decorative Accessories | Revenue from Contract with Customer, Product and Service Benchmark [Member] | Product Concentration Risk [Member] | Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Disaggregation of Revenue [Line Items]                      
% of Net Sales                     19.00%
Installation Materials And Tools                      
Disaggregation of Revenue [Line Items]                      
Net Sales                 $ 346,356 $ 272,994  
Installation Materials And Tools | Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Disaggregation of Revenue [Line Items]                      
Net Sales                     $ 217,427
Installation Materials And Tools | Revenue from Contract with Customer, Product and Service Benchmark [Member] | Product Concentration Risk [Member]                      
Disaggregation of Revenue [Line Items]                      
% of Net Sales                 17.00% 16.00%  
Installation Materials And Tools | Revenue from Contract with Customer, Product and Service Benchmark [Member] | Product Concentration Risk [Member] | Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Disaggregation of Revenue [Line Items]                      
% of Net Sales                     16.00%
Wood                      
Disaggregation of Revenue [Line Items]                      
Net Sales                 $ 202,888 $ 192,087  
Wood | Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Disaggregation of Revenue [Line Items]                      
Net Sales                     $ 167,152
Wood | Revenue from Contract with Customer, Product and Service Benchmark [Member] | Product Concentration Risk [Member]                      
Disaggregation of Revenue [Line Items]                      
% of Net Sales                 10.00% 12.00%  
Wood | Revenue from Contract with Customer, Product and Service Benchmark [Member] | Product Concentration Risk [Member] | Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Disaggregation of Revenue [Line Items]                      
% of Net Sales                     12.00%
Natural Stone                      
Disaggregation of Revenue [Line Items]                      
Net Sales                 $ 127,975 $ 113,565  
Natural Stone | Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Disaggregation of Revenue [Line Items]                      
Net Sales                     $ 104,670
Natural Stone | Revenue from Contract with Customer, Product and Service Benchmark [Member] | Product Concentration Risk [Member]                      
Disaggregation of Revenue [Line Items]                      
% of Net Sales                 6.00% 7.00%  
Natural Stone | Revenue from Contract with Customer, Product and Service Benchmark [Member] | Product Concentration Risk [Member] | Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Disaggregation of Revenue [Line Items]                      
% of Net Sales                     8.00%
Other                      
Disaggregation of Revenue [Line Items]                      
Net Sales                 $ 9,082 $ 13,617  
Other | Calculated under Revenue Guidance in Effect before Topic 606 [Member]                      
Disaggregation of Revenue [Line Items]                      
Net Sales                     $ 9,851
Other | Revenue from Contract with Customer, Product and Service Benchmark [Member] | Product Concentration Risk [Member]                      
Disaggregation of Revenue [Line Items]                      
% of Net Sales                   1.00%