v3.26.1
NET SALES (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 28, 2026
Mar. 29, 2025
Disaggregation of Revenue [Line Items]    
Net sales $ 117,315 $ 111,420
In-ground Swimming Pools    
Disaggregation of Revenue [Line Items]    
Net sales 59,731 57,734
Covers    
Disaggregation of Revenue [Line Items]    
Net sales 33,498 31,611
Liners    
Disaggregation of Revenue [Line Items]    
Net sales $ 24,086 $ 22,075