Restructuring Reserve Narrative (Details) - USD ($) $ in Millions	9 Months Ended		28 Months Ended	45 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2023	Dec. 31, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 11.1	$ 19.2
Minimum [Member] \| Forecast [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost					$ 10.0
Maximum [Member] \| Forecast [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost					$ 20.0
Driveline [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		1.3
Metal Forming [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		12.0
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	1.5	3.4
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	9.6	$ 15.8
2020 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	5.2			$ 105.8
Emporium, Pennsylvannia
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	4.4		$ 16.5
Tekfor Group
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 1.5