INTANGIBLES (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Apr. 03, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Cost	$ 2,006,766	$ 2,006,766
Accumulated Amortization	(466,296)	(422,162)
Net Carrying Value	$ 1,540,470	$ 1,584,604
Weighted Average
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	9 years	9 years
Trademarks/Trade names
Finite-Lived Intangible Assets [Line Items]
Cost	$ 248,155	$ 248,155
Accumulated Amortization	(57,767)	(51,722)
Net Carrying Value	$ 190,388	$ 196,433
Trademarks/Trade names | Minimum
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	5 years	5 years
Trademarks/Trade names | Maximum
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	15 years	15 years
Trademarks/Trade names | Weighted Average
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	8 years	8 years
Customer lists and relationships
Finite-Lived Intangible Assets [Line Items]
Cost	$ 1,758,611	$ 1,758,611
Accumulated Amortization	(408,529)	(370,440)
Net Carrying Value	$ 1,350,082	$ 1,388,171
Customer lists and relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	7 years	7 years
Customer lists and relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	20 years	20 years
Customer lists and relationships | Weighted Average
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	9 years	9 years