GOODWILL AND INTANGIBLE ASSETS - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2018	Dec. 31, 2017	Dec. 25, 2016
Accumulated Amortization Rollforward [Roll Forward]
Amortization	$ (25,736)	$ (26,386)	$ (18,700)
Intangible Assets (Excluding Goodwill) Rollforward [Roll Forward]
December 31, 2017	617,163	471,591
Additions	0	131,120
Currency Translation	(27,299)	40,838
Reclassification	0	0
December 30, 2018	564,128	617,163	471,591
Trade names
Finite-lived Intangible Assets [Roll Forward]
December 31, 2017	79,686	41,369
Additions	0	38,200
Currency Translation	0	117
Reclassification	(1,343)	0
December 30, 2018	78,343	79,686	41,369
Accumulated Amortization Rollforward [Roll Forward]
December 31, 2017	(40,888)	(37,128)
Amortization	(3,287)	(3,808)
Currency Translation	0	48
Reclassification	623	0
December 30, 2018	(43,552)	(40,888)	(37,128)
Customer relationships
Finite-lived Intangible Assets [Roll Forward]
December 31, 2017	251,952	151,147
Additions	0	92,900
Currency Translation	(5,589)	7,905
Reclassification	1,343	0
December 30, 2018	247,706	251,952	151,147
Accumulated Amortization Rollforward [Roll Forward]
December 31, 2017	(77,194)	(53,055)
Amortization	(22,441)	(22,571)
Currency Translation	1,817	(1,568)
Reclassification	(623)	0
December 30, 2018	(98,441)	(77,194)	(53,055)
Non-compete agreement
Finite-lived Intangible Assets [Roll Forward]
December 31, 2017	320	300
Additions	0	20
Currency Translation	0	0
Reclassification	0	0
December 30, 2018	320	320	300
Accumulated Amortization Rollforward [Roll Forward]
December 31, 2017	(307)	(300)
Amortization	(8)	(7)
Currency Translation	0	0
Reclassification	0	0
December 30, 2018	(315)	(307)	(300)
Trade names
Indefinite-lived Intangible Assets [Roll Forward]
December 31, 2017	403,594	369,258
Additions	0	0
Currency Translation	(23,527)	34,336
Reclassification	0	0
December 30, 2018	$ 380,067	$ 403,594	$ 369,258