Revenue (Summary of Disaggregation of Revenue by Geographical Area) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	$ 358.5	$ 340.2	$ 1,068.1	$ 934.8
Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	154.0	132.0	466.7	367.2
Assembly Components
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	120.2	126.9	355.7	310.0
Engineered Products
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	84.3	81.3	245.7	257.6
United States
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	216.8	206.1	649.9	582.9
United States | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	92.5	77.0	281.4	228.3
United States | Assembly Components
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	77.9	86.1	241.8	212.9
United States | Engineered Products
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	46.4	43.0	126.7	141.7
Europe
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	46.1	41.5	141.7	111.9
Europe | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	27.9	21.6	84.7	59.3
Europe | Assembly Components
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	3.4	3.8	10.7	10.2
Europe | Engineered Products
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	14.8	16.1	46.3	42.4
Asia
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	33.3	32.0	99.9	97.4
Asia | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	14.7	10.3	42.4	31.5
Asia | Assembly Components
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	6.6	9.1	19.0	19.8
Asia | Engineered Products
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	12.0	12.6	38.5	46.1
Mexico
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	38.4	32.5	100.2	69.3
Mexico | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	15.6	20.5	48.2	40.0
Mexico | Assembly Components
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	17.8	10.0	38.6	23.8
Mexico | Engineered Products
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	5.0	2.0	13.4	5.5
Canada
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	20.5	25.9	65.4	64.4
Canada | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	2.9	2.5	8.6	7.0
Canada | Assembly Components
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	14.1	17.4	44.3	42.3
Canada | Engineered Products
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	3.5	6.0	12.5	15.1
Other
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	3.4	2.2	11.0	8.9
Other | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	0.4	0.1	1.4	1.1
Other | Assembly Components
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	0.4	0.5	1.3	1.0
Other | Engineered Products
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total	$ 2.6	$ 1.6	$ 8.3	$ 6.8