v3.21.2
ACQUISITIONS - Schedule of identifiable intangible assets acquired (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 27, 2021
Jun. 28, 2020
2021 Acquisitions    
Business Acquisition [Line Items]    
Identifiable intangible assets $ 137,985  
2020 Acquisitions    
Business Acquisition [Line Items]    
Identifiable intangible assets   $ 130,981
Trademarks | 2021 Acquisitions    
Business Acquisition [Line Items]    
Identifiable intangible assets $ 36,117  
Trademarks | 2020 Acquisitions    
Business Acquisition [Line Items]    
Identifiable intangible assets   23,464
Customer relationships    
Business Acquisition [Line Items]    
Estimated Useful Life (in years) 10 years  
Customer relationships | 2021 Acquisitions    
Business Acquisition [Line Items]    
Identifiable intangible assets $ 88,693  
Customer relationships | 2020 Acquisitions    
Business Acquisition [Line Items]    
Identifiable intangible assets   99,897
Non-compete agreements    
Business Acquisition [Line Items]    
Estimated Useful Life (in years) 5 years  
Non-compete agreements | 2021 Acquisitions    
Business Acquisition [Line Items]    
Identifiable intangible assets $ 2,825  
Non-compete agreements | 2020 Acquisitions    
Business Acquisition [Line Items]    
Identifiable intangible assets   1,150
Patents    
Business Acquisition [Line Items]    
Estimated Useful Life (in years) 10 years  
Patents | 2021 Acquisitions    
Business Acquisition [Line Items]    
Identifiable intangible assets $ 10,350  
Patents | 2020 Acquisitions    
Business Acquisition [Line Items]    
Identifiable intangible assets   $ 6,470