EMPLOYEE BENEFIT PLANS - Pension Plan Assets (Details) - Defined Benefit Pension - Fair Value, Measurements, Recurring - USD ($) $ in Millions	Dec. 31, 2022	Jan. 01, 2022
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	$ 1,750.7	$ 2,566.7
Cash and cash equivalents
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	42.3	74.2
U.S. equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	181.9	323.3
Foreign equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	123.3	205.9
Government securities
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	619.3	871.1
Corporate securities
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	702.5	996.3
Insurance contracts
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	36.7	49.6
Other
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	44.7	46.3
Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	364.1	533.7
Level 1 | Cash and cash equivalents
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	28.2	55.7
Level 1 | U.S. equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	66.2	92.5
Level 1 | Foreign equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	33.0	44.8
Level 1 | Government securities
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	236.7	340.7
Level 1 | Corporate securities
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	0.0	0.0
Level 1 | Insurance contracts
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	0.0	0.0
Level 1 | Other
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	0.0	0.0
Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	1,386.6	2,033.0
Level 2 | Cash and cash equivalents
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	14.1	18.5
Level 2 | U.S. equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	115.7	230.8
Level 2 | Foreign equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	90.3	161.1
Level 2 | Government securities
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	382.6	530.4
Level 2 | Corporate securities
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	702.5	996.3
Level 2 | Insurance contracts
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	36.7	49.6
Level 2 | Other
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Fair value of plan assets	$ 44.7	$ 46.3