GOODWILL AND INTANGIBLE ASSETS - Schedule of Intangible Assets (Details) $ in Thousands	9 Months Ended
	Sep. 27, 2020 USD ($)
Accumulated Amortization Rollforward [Roll Forward]
Amortization	$ (17,025)
Intangible Assets (Excluding Goodwill) Rollforward [Rollforward]
Intangible assets, net, beginning balance	596,053
Currency Translation	(12,332)
Intangible assets, net, ending balance	566,696
Trade names
Indefinite-lived Intangible Assets [Rollforward]
Indefinite-lived intangible assets, beginning balance	391,431
Currency Translation	(9,915)
Indefinite-lived intangible assets, ending balance	381,516
Trade names
Finite-lived Intangible Assets [Rollforward]
Finite-lived intangible assets, beginning balance	78,343
Currency Translation	0
Finite-lived intangible assets, ending balance	78,343
Accumulated Amortization Rollforward [Roll Forward]
Finite-lived intangible assets, accumulated amortization, beginning balance	(45,518)
Amortization	(1,476)
Currency Translation	0
Finite-lived intangible assets, accumulated amortization, ending balance	(46,994)
Customer relationships
Finite-lived Intangible Assets [Rollforward]
Finite-lived intangible assets, beginning balance	292,278
Currency Translation	(3,407)
Finite-lived intangible assets, ending balance	288,871
Accumulated Amortization Rollforward [Roll Forward]
Finite-lived intangible assets, accumulated amortization, beginning balance	(120,481)
Amortization	(15,549)
Currency Translation	990
Finite-lived intangible assets, accumulated amortization, ending balance	(135,040)
Non-compete agreements
Finite-lived Intangible Assets [Rollforward]
Finite-lived intangible assets, beginning balance	320
Currency Translation	0
Finite-lived intangible assets, ending balance	320
Accumulated Amortization Rollforward [Roll Forward]
Finite-lived intangible assets, accumulated amortization, beginning balance	(320)
Amortization	0
Currency Translation	0
Finite-lived intangible assets, accumulated amortization, ending balance	$ (320)