SEGMENT INFORMATION (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($) segment	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | segment	4
Total Sales	$ 1,224.1	$ 1,298.5
Gross Profit	398.1	421.9
Operating Expenses	329.2	252.0
Total Operating Expenses	329.2	252.0
Income (Loss) from Operations	68.9	169.9
Depreciation and Amortization	76.5	77.9
Capital Expenditures	18.7	13.4
Assets	16,547.4		$ 10,268.9
Industrial Powertrain Solutions
Segment Reporting Information [Line Items]
Total Sales	414.4	416.3
Assets	8,456.2		5,028.5
Power Efficiency Solutions
Segment Reporting Information [Line Items]
Total Sales	469.5	567.2
Assets	2,234.5		2,234.1
Automation & Motion Control
Segment Reporting Information [Line Items]
Total Sales	203.2	184.3
Assets	5,107.5		2,202.2
Industrial Systems
Segment Reporting Information [Line Items]
Total Sales	137.0	130.7
Assets	749.2		$ 804.1
Intersegment Eliminations
Segment Reporting Information [Line Items]
Total Sales	13.6	8.4
Intersegment Eliminations | Industrial Powertrain Solutions
Segment Reporting Information [Line Items]
Total Sales	(3.5)	(1.6)
Intersegment Eliminations | Power Efficiency Solutions
Segment Reporting Information [Line Items]
Total Sales	(4.2)	(2.9)
Intersegment Eliminations | Automation & Motion Control
Segment Reporting Information [Line Items]
Total Sales	(5.2)	(3.4)
Intersegment Eliminations | Industrial Systems
Segment Reporting Information [Line Items]
Total Sales	(0.7)	(0.5)
Operating Segments | Industrial Powertrain Solutions
Segment Reporting Information [Line Items]
Total Sales	417.9	417.9
Gross Profit	177.4	154.3
Operating Expenses	151.5	108.0
Total Operating Expenses	151.5	108.0
Income (Loss) from Operations	25.9	46.3
Depreciation and Amortization	41.6	42.6
Capital Expenditures	5.4	2.5
Operating Segments | Power Efficiency Solutions
Segment Reporting Information [Line Items]
Total Sales	473.7	570.1
Gross Profit	117.7	177.5
Operating Expenses	72.3	73.1
Total Operating Expenses	72.3	73.1
Income (Loss) from Operations	45.4	104.4
Depreciation and Amortization	11.7	12.1
Capital Expenditures	8.7	7.9
Operating Segments | Automation & Motion Control
Segment Reporting Information [Line Items]
Total Sales	208.4	187.7
Gross Profit	75.4	63.0
Operating Expenses	80.6	50.7
Total Operating Expenses	80.6	50.7
Income (Loss) from Operations	(5.2)	12.3
Depreciation and Amortization	19.7	19.7
Capital Expenditures	3.1	1.6
Operating Segments | Industrial Systems
Segment Reporting Information [Line Items]
Total Sales	137.7	131.2
Gross Profit	27.6	27.1
Operating Expenses	24.8	20.2
Total Operating Expenses	24.8	20.2
Income (Loss) from Operations	2.8	6.9
Depreciation and Amortization	3.5	3.5
Capital Expenditures	$ 1.5	$ 1.4