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RESTRUCTURING (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 04, 2020	Jun. 29, 2019	Jul. 04, 2020	Jun. 29, 2019	Jan. 02, 2021
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 10,532	$ 7,317	$ 19,907	$ 17,504
NWF 2.0
Restructuring Cost and Reserve [Line Items]
Restructuring charges	10,532	$ 5,859	19,907	$ 6,699
Minimum | NWF 2.0
Restructuring Cost and Reserve [Line Items]
Expected restructuring charges	50,000		50,000
Maximum | NWF 2.0
Restructuring Cost and Reserve [Line Items]
Expected restructuring charges	$ 70,000		$ 70,000
Forecast | NWF 2.0
Restructuring Cost and Reserve [Line Items]
Restructuring charges					$ 25,000
COVID-19
Restructuring Cost and Reserve [Line Items]
Percent reduction in cash fees	20.00%

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