v3.20.2
SEGMENT INFORMATION - Sales and Operating Income of Segments (Details)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 27, 2020
USD ($)
Sep. 29, 2019
USD ($)
Sep. 27, 2020
USD ($)
segment
Sep. 29, 2019
USD ($)
Segment Reporting Information [Line Items]        
Number of reportable segments (in segments) | segment     2  
Net sales $ 700,707 $ 566,186 $ 1,713,984 $ 1,787,622
Operating income 59,829 37,410 111,214 118,465
Intersegment sales        
Segment Reporting Information [Line Items]        
Net sales (13,644) (9,180) (28,716) (27,514)
Operating Segments        
Segment Reporting Information [Line Items]        
Net sales 714,351 575,366 1,742,700 1,815,136
Operating income 79,756 51,394 164,776 163,709
Manufacturing        
Segment Reporting Information [Line Items]        
Net sales 494,274 399,712 1,206,114 1,259,671
Manufacturing | Intersegment sales        
Segment Reporting Information [Line Items]        
Net sales (12,004) (8,102) (24,691) (24,153)
Manufacturing | Operating Segments        
Segment Reporting Information [Line Items]        
Net sales 506,278 407,814 1,230,805 1,283,824
Operating income 63,312 42,353 131,426 135,577
Distribution        
Segment Reporting Information [Line Items]        
Net sales 206,433 166,474 507,870 527,951
Distribution | Intersegment sales        
Segment Reporting Information [Line Items]        
Net sales (1,640) (1,078) (4,025) (3,361)
Distribution | Operating Segments        
Segment Reporting Information [Line Items]        
Net sales 208,073 167,552 511,895 531,312
Operating income $ 16,444 $ 9,041 $ 33,350 $ 28,132