Revenue from Contracts with Customers Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Net sales	$ 1,438.3	$ 1,283.3	$ 2,874.5	$ 2,708.4
North America [Member]
Disaggregation of Revenue [Line Items]
Net sales	1,128.0	998.3	2,255.2	2,092.5
Asia [Member]
Disaggregation of Revenue [Line Items]
Net sales	101.5	112.3	229.0	246.3
Europe [Member]
Disaggregation of Revenue [Line Items]
Net sales	178.5	151.7	343.5	325.9
South America [Member]
Disaggregation of Revenue [Line Items]
Net sales	30.3	21.0	46.8	43.7
Driveline [Member]
Disaggregation of Revenue [Line Items]
Net sales	1,039.5	934.9	2,100.2	1,959.9
Driveline [Member] | North America [Member]
Disaggregation of Revenue [Line Items]
Net sales	823.7	722.0	1,647.6	1,495.8
Driveline [Member] | Asia [Member]
Disaggregation of Revenue [Line Items]
Net sales	93.1	100.9	210.1	222.1
Driveline [Member] | Europe [Member]
Disaggregation of Revenue [Line Items]
Net sales	100.6	93.8	206.4	203.8
Driveline [Member] | South America [Member]
Disaggregation of Revenue [Line Items]
Net sales	22.1	18.2	36.1	38.2
Metal Forming [Member]
Disaggregation of Revenue [Line Items]
Net sales	398.8	348.4	774.3	748.5
Metal Forming [Member] | North America [Member]
Disaggregation of Revenue [Line Items]
Net sales	304.3	276.3	607.6	596.7
Metal Forming [Member] | Asia [Member]
Disaggregation of Revenue [Line Items]
Net sales	8.4	11.4	18.9	24.2
Metal Forming [Member] | Europe [Member]
Disaggregation of Revenue [Line Items]
Net sales	77.9	57.9	137.1	122.1
Metal Forming [Member] | South America [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 8.2	$ 2.8	$ 10.7	$ 5.5