Restructuring Reserve Narrative (Details) - USD ($) $ in Millions	6 Months Ended		25 Months Ended	42 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2023	Dec. 31, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 10.7	$ 11.6
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		1.0
Metal Forming [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		6.1
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	1.4	1.3
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	9.3	$ 10.3
2020 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	4.9			$ 105.5
Emporium, Pennsylvannia
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	4.4		$ 16.5
Tekfor Group
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 1.4