RETIREMENT BENEFIT PLANS (Details 4)	12 Months Ended
Jan. 02, 2021	Dec. 28, 2019
Discount rate for other postretirement plan	2.66%	3.35%
Discount rate for supplemental pension plans	1.49%	2.61%
Minimum [Member] \| Pension Benefit Plans and Other Postretirement Benefit Plan [Member]
Discount rate	2.40%	3.18%
Maximum [Member] \| Pension Benefit Plans and Other Postretirement Benefit Plan [Member]
Discount rate	2.48%	3.23%

Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration