RESTRUCTURING - Liability Incurred for Restructuring Plan (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 03, 2021	Jul. 04, 2020	Jul. 03, 2021	Jul. 04, 2020
Restructuring Reserve
Charges	$ 5,749	$ 10,532	$ 13,270	$ 19,907
NWF 2.0
Restructuring Reserve
Beginning balance	9,144	5,988	10,261	7,084
Charges	5,749	10,532	13,270	19,907
Cash Payments	5,563	8,541	13,979	18,328
Non-cash Items	1,479	725	1,701	1,409
Ending balance	7,851	7,254	7,851	7,254
NWF 2.0 \| Store closures
Restructuring Reserve
Beginning balance	51	28	240	22
Charges	1,447	1,961	1,670	2,693
Cash Payments	0	681	190	723
Non-cash Items	1,479	725	1,701	1,409
Ending balance	19	583	19	583
NWF 2.0 \| Professional services
Restructuring Reserve
Beginning balance	541	2,050	2,280	2,824
Charges	2,821	1,473	3,407	4,662
Cash Payments	1,286	3,200	3,611	7,163
Non-cash Items	0	0	0	0
Ending balance	2,076	323	2,076	323
NWF 2.0 \| Severance and employee-related benefits
Restructuring Reserve
Beginning balance	8,552	3,910	7,741	4,238
Charges	1,481	7,098	8,193	12,552
Cash Payments	4,277	4,660	10,178	10,442
Non-cash Items	0	0	0	0
Ending balance	$ 5,756	$ 6,348	$ 5,756	$ 6,348

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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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.

+ References

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of decrease in the reserve for full or partial settlement through consideration other than cash.

+ References

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-Topic 420
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