Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Name:	us-gaap_RestructuringCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

RESTRUCTURING (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017	Dec. 30, 2017	Dec. 31, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 6,075	$ 5,769	$ 41,942	$ 41,818
New World Fossil
Restructuring Cost and Reserve [Line Items]
Total expected costs to be incurred	150,000		150,000
Restructuring charges	6,075	$ 5,769	41,942	$ 41,818	$ 48,200	$ 27,800
Restructuring, expected remaining costs	$ 50,000		$ 50,000