v3.20.1
ACQUISITIONS - Narrative (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 29, 2020
USD ($)
acquisition
Mar. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
acquisition
Business Acquisition [Line Items]      
Number of acquisitions | acquisition 3   3
Fair value of estimated contingent consideration payments $ 7,800   $ 9,600
Contingent consideration arrangements maximum payments amount 12,300    
Cash payments related to contingent consideration liabilities 2,000 $ 4,416  
Net initial purchase price     53,700
Amortization expense 200 $ 600  
Maple City Woodworking Corporation      
Business Acquisition [Line Items]      
Net initial purchase price 24,900    
Accrued Liabilities      
Business Acquisition [Line Items]      
Fair value of estimated contingent consideration payments 5,900   2,000
Other Long-term Liabilities      
Business Acquisition [Line Items]      
Fair value of estimated contingent consideration payments $ 1,900   $ 7,600