GOODWILL AND INTANGIBLE ASSETS - Schedule of Intangible Assets (Details) $ in Thousands	6 Months Ended
	Jun. 27, 2021 USD ($)
Accumulated Amortization Rollforward [Roll Forward]
Amortization	$ (11,661)
Intangible Assets (Excluding Goodwill) Rollforward [Rollforward]
Identified intangible assets, net, beginning balance	589,913
Currency Translation	11,284
Identified intangible assets, net, ending balance	589,536
Trade names
Indefinite-lived Intangible Assets [Rollforward]
Indefinite-lived intangible assets, beginning balance	405,240
Currency Translation	9,262
Indefinite-lived intangible assets, ending balance	414,502
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	(47,486)
Amortization	(984)
Currency Translation	0
Finite-lived intangible assets, accumulated amortization, ending balance	(48,470)
Customer relationships
Finite-lived Intangible Assets [Rollforward]
Finite-lived intangible assets, beginning balance	297,062
Currency Translation	3,209
Finite-lived intangible assets, ending balance	300,271
Accumulated Amortization Rollforward [Roll Forward]
Finite-lived intangible assets, accumulated amortization, beginning balance	(143,246)
Amortization	(10,677)
Currency Translation	(1,187)
Finite-lived intangible assets, accumulated amortization, ending balance	(155,110)
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)