GOODWILL AND INTANGIBLE ASSETS - Schedule of Intangible Assets (Details) $ in Thousands	6 Months Ended
	Jun. 28, 2020 USD ($)
Accumulated Amortization Rollforward [Roll Forward]
Amortization	$ (10,471)
Intangible Assets (Excluding Goodwill) Rollforward [Rollforward]
Intangible assets, net, beginning balance	596,053
Currency Translation	(27,091)
Intangible assets, net, ending balance	558,491
Trade names
Indefinite-lived Intangible Assets [Rollforward]
Indefinite-lived intangible assets, beginning balance	391,431
Currency Translation	(21,858)
Indefinite-lived intangible assets, ending balance	369,573
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	(984)
Currency Translation	0
Finite-lived intangible assets, accumulated amortization, ending balance	(46,502)
Customer relationships
Finite-lived Intangible Assets [Rollforward]
Finite-lived intangible assets, beginning balance	292,278
Currency Translation	(7,534)
Finite-lived intangible assets, ending balance	284,744
Accumulated Amortization Rollforward [Roll Forward]
Finite-lived intangible assets, accumulated amortization, beginning balance	(120,481)
Amortization	(9,487)
Currency Translation	2,301
Finite-lived intangible assets, accumulated amortization, ending balance	(127,667)
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)