Segments - Schedule of Results by Business Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Net sales	$ 1,599.1	$ 1,656.2	$ 1,659.7
Cost of sales	1,327.9	1,374.8	1,388.3
Selling, general and administrative expenses	158.3	158.4	153.3
Restructuring and other special charges	6.0	4.9	6.6
Asset impairment charges	8.9	0.0	0.0
Segment operating income	98.0	118.1	111.5
Corporate expenses	(31.3)	(29.0)	(28.2)
Corporate restructuring and other special charges	(0.4)
Gains on sales of assets, net		2.5	(0.8)
Other expense	0.0	(5.0)	0.0
Operating income	66.3	86.6	84.1
Other components of pension and other postretirement benefits income, net	7.0	5.2	2.5
Other components of pension and other postretirement benefits income, net	(7.0)	(5.2)	(2.5)
Interest expense, net	(47.5)	(47.4)	(45.1)
Loss on extinguishment of debt	(2.0)	0.0	0.0
Income from continuing operations before income taxes	23.8	44.4	41.5
Segment Reporting, Disclosure of Other Information about Entity's Reportable Segments [Abstract]
Capital expenditures	40.3	31.4	28.2
Depreciation and amortization expense	33.0	33.6	31.7
Identifiable assets	1,419.6	1,365.1	1,340.7
Corporate
Segment Reporting, Disclosure of Other Information about Entity's Reportable Segments [Abstract]
Capital expenditures	3.2	2.0	0.8
Depreciation and amortization expense	0.7	0.3	0.2
Identifiable assets	171.0	146.4	126.4
Supply Technologies Segment
Segment Reporting Information [Line Items]
Net sales	747.5	775.8	763.4
Supply Technologies Segment | Operating Segments
Segment Reporting Information [Line Items]
Net sales	747.5	775.8	763.4
Cost of sales	605.9	631.5	639.1
Selling, general and administrative expenses	67.9	69.1	65.1
Restructuring and other special charges	1.4	0.2	0.2
Asset impairment charges	0.0
Segment operating income	72.3	75.0	59.0
Segment Reporting, Disclosure of Other Information about Entity's Reportable Segments [Abstract]
Capital expenditures	17.4	10.5	6.3
Depreciation and amortization expense	6.7	6.7	6.6
Identifiable assets	489.4	465.6	462.8
Assembly Components
Segment Reporting Information [Line Items]
Net sales	380.6	398.7	427.8
Assembly Components | Operating Segments
Segment Reporting Information [Line Items]
Net sales	380.6	398.7	427.8
Cost of sales	338.8	353.6	369.5
Selling, general and administrative expenses	19.9	18.6	23.4
Restructuring and other special charges	2.8	1.1	1.5
Asset impairment charges	0.0
Segment operating income	19.1	25.4	33.4
Segment Reporting, Disclosure of Other Information about Entity's Reportable Segments [Abstract]
Capital expenditures	6.9	8.8	8.4
Depreciation and amortization expense	13.0	13.8	13.4
Identifiable assets	293.3	284.3	289.5
Engineered Products Segment
Segment Reporting Information [Line Items]
Net sales	471.0	481.7	468.5
Engineered Products Segment | Operating Segments
Segment Reporting Information [Line Items]
Net sales	471.0	481.7	468.5
Cost of sales	383.2	389.7	379.7
Selling, general and administrative expenses	70.5	70.7	64.8
Restructuring and other special charges	1.8	3.6	4.9
Asset impairment charges	8.9
Segment operating income	6.6	17.7	19.1
Segment Reporting, Disclosure of Other Information about Entity's Reportable Segments [Abstract]
Capital expenditures	12.8	10.1	12.7
Depreciation and amortization expense	12.6	12.8	11.5
Identifiable assets	$ 465.9	$ 468.8	$ 462.0