GOODWILL AND INTANGIBLE ASSETS - Estimated Useful Lives of Finite-Lived Intangible Assets (Details)	6 Months Ended
	Jun. 27, 2021
Customer relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	3 years
Customer relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	16 years
Trade names
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	20 years
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	3 years