OTHER FINANCIAL INFORMATION (Disaggregation of Revenue) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Disaggregation of Revenue [Line Items]
Net Sales	$ 886.9	$ 634.1	$ 1,701.0	$ 1,368.3
Commercial Systems
Disaggregation of Revenue [Line Items]
Net Sales	269.3	175.9	506.3	375.3
Industrial Systems
Disaggregation of Revenue [Line Items]
Net Sales	145.2	120.6	281.6	250.2
Climate Solutions
Disaggregation of Revenue [Line Items]
Net Sales	257.3	178.2	496.4	388.3
Power Transmission Solutions
Disaggregation of Revenue [Line Items]
Net Sales	215.1	159.4	416.7	354.5
North America
Disaggregation of Revenue [Line Items]
Net Sales	649.9	463.7	1,248.6	1,025.5
North America | Commercial Systems
Disaggregation of Revenue [Line Items]
Net Sales	176.1	112.5	330.2	255.9
North America | Industrial Systems
Disaggregation of Revenue [Line Items]
Net Sales	73.9	69.2	145.0	142.1
North America | Climate Solutions
Disaggregation of Revenue [Line Items]
Net Sales	226.7	158.8	436.4	343.4
North America | Power Transmission Solutions
Disaggregation of Revenue [Line Items]
Net Sales	173.2	123.2	337.0	284.1
Asia
Disaggregation of Revenue [Line Items]
Net Sales	115.5	74.0	220.9	147.7
Asia | Commercial Systems
Disaggregation of Revenue [Line Items]
Net Sales	53.5	28.9	99.5	52.3
Asia | Industrial Systems
Disaggregation of Revenue [Line Items]
Net Sales	46.9	36.6	90.1	73.4
Asia | Climate Solutions
Disaggregation of Revenue [Line Items]
Net Sales	7.7	1.0	17.0	9.6
Asia | Power Transmission Solutions
Disaggregation of Revenue [Line Items]
Net Sales	7.4	7.5	14.3	12.4
Europe
Disaggregation of Revenue [Line Items]
Net Sales	74.3	69.9	143.6	143.1
Europe | Commercial Systems
Disaggregation of Revenue [Line Items]
Net Sales	26.7	25.5	51.4	54.0
Europe | Industrial Systems
Disaggregation of Revenue [Line Items]
Net Sales	12.1	14.7	23.7	27.9
Europe | Climate Solutions
Disaggregation of Revenue [Line Items]
Net Sales	10.4	7.5	19.9	15.1
Europe | Power Transmission Solutions
Disaggregation of Revenue [Line Items]
Net Sales	25.1	22.2	48.6	46.1
Rest-of-World
Disaggregation of Revenue [Line Items]
Net Sales	47.2	26.5	87.9	52.0
Rest-of-World | Commercial Systems
Disaggregation of Revenue [Line Items]
Net Sales	13.0	9.0	25.2	13.1
Rest-of-World | Industrial Systems
Disaggregation of Revenue [Line Items]
Net Sales	12.3	0.1	22.8	6.8
Rest-of-World | Climate Solutions
Disaggregation of Revenue [Line Items]
Net Sales	12.5	10.9	23.1	20.2
Rest-of-World | Power Transmission Solutions
Disaggregation of Revenue [Line Items]
Net Sales	$ 9.4	$ 6.5	$ 16.8	$ 11.9