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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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

RESTRUCTURING (Restructuring Charges by Operating Segment) (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 04, 2020	Mar. 30, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 9,375	$ 10,187
NWF 2.0
Restructuring Cost and Reserve [Line Items]
Restructuring charges	9,375
NWF 2.0 \| Operating segments \| Americas
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,136
NWF 2.0 \| Operating segments \| Europe
Restructuring Cost and Reserve [Line Items]
Restructuring charges	766
NWF 2.0 \| Operating segments \| Asia
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,623
NWF 2.0 \| Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 5,850