Accounting Policies (Schedule of Disaggregation of Revenue) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Jan. 01, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 6,250.7	$ 5,217.9	$ 3,810.3
Industrial Powertrain Solutions
Disaggregation of Revenue [Line Items]
Revenue	2,403.5	1,666.3	871.7
Power Efficiency Solutions
Disaggregation of Revenue [Line Items]
Revenue	1,808.9	2,227.2	2,062.7
Automation & Motion Control
Disaggregation of Revenue [Line Items]
Revenue	1,516.8	772.3	361.7
Industrial Systems
Disaggregation of Revenue [Line Items]
Revenue	521.5	552.1	514.2
North America
Disaggregation of Revenue [Line Items]
Revenue	4,336.2	3,856.6	2,775.1
North America | Industrial Powertrain Solutions
Disaggregation of Revenue [Line Items]
Revenue	1,636.1	1,232.2	679.2
North America | Power Efficiency Solutions
Disaggregation of Revenue [Line Items]
Revenue	1,419.2	1,766.9	1,601.9
North America | Automation & Motion Control
Disaggregation of Revenue [Line Items]
Revenue	1,006.3	559.0	259.5
North America | Industrial Systems
Disaggregation of Revenue [Line Items]
Revenue	274.6	298.5	234.5
Asia
Disaggregation of Revenue [Line Items]
Revenue	570.3	504.8	463.0
Asia | Industrial Powertrain Solutions
Disaggregation of Revenue [Line Items]
Revenue	168.9	140.6	52.1
Asia | Power Efficiency Solutions
Disaggregation of Revenue [Line Items]
Revenue	178.7	188.1	216.0
Asia | Automation & Motion Control
Disaggregation of Revenue [Line Items]
Revenue	76.1	17.0	8.2
Asia | Industrial Systems
Disaggregation of Revenue [Line Items]
Revenue	146.6	159.1	186.7
Europe
Disaggregation of Revenue [Line Items]
Revenue	968.6	627.1	361.5
Europe | Industrial Powertrain Solutions
Disaggregation of Revenue [Line Items]
Revenue	420.5	240.0	96.4
Europe | Power Efficiency Solutions
Disaggregation of Revenue [Line Items]
Revenue	149.7	182.2	146.3
Europe | Automation & Motion Control
Disaggregation of Revenue [Line Items]
Revenue	342.6	154.2	72.4
Europe | Industrial Systems
Disaggregation of Revenue [Line Items]
Revenue	55.8	50.7	46.4
Rest-of-World
Disaggregation of Revenue [Line Items]
Revenue	375.6	229.4	210.7
Rest-of-World | Industrial Powertrain Solutions
Disaggregation of Revenue [Line Items]
Revenue	178.0	53.5	44.0
Rest-of-World | Power Efficiency Solutions
Disaggregation of Revenue [Line Items]
Revenue	61.3	90.0	98.5
Rest-of-World | Automation & Motion Control
Disaggregation of Revenue [Line Items]
Revenue	91.8	42.1	21.6
Rest-of-World | Industrial Systems
Disaggregation of Revenue [Line Items]
Revenue	$ 44.5	$ 43.8	$ 46.6