Revenue (Summary of Disaggregation of Revenue by Geographical Area) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	$ 350.0	$ 228.3	$ 709.6	$ 594.6
Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	155.0	94.4	312.7	235.2
Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	109.5	54.9	235.5	183.1
Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	85.5	79.0	161.4	176.3
United States
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	210.3	142.9	433.1	376.8
United States | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	91.8	61.3	188.9	151.3
United States | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	76.3	36.1	163.9	126.8
United States | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	42.2	45.5	80.3	98.7
Europe
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	49.5	26.8	95.6	70.4
Europe | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	27.9	14.0	56.8	37.7
Europe | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	3.5	2.2	7.3	6.4
Europe | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	18.1	10.6	31.5	26.3
Asia
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	35.5	35.8	66.6	65.4
Asia | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	16.6	11.7	27.7	21.2
Asia | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	5.6	6.4	12.4	10.7
Asia | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	13.3	17.7	26.5	33.5
Mexico
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	30.5	9.9	61.8	36.8
Mexico | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	15.9	5.0	32.6	19.5
Mexico | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	10.1	3.6	20.8	13.8
Mexico | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	4.5	1.3	8.4	3.5
Canada
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	21.7	10.8	44.9	38.5
Canada | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	2.8	1.6	5.7	4.5
Canada | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	13.6	6.5	30.2	24.9
Canada | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	5.3	2.7	9.0	9.1
Other
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	2.5	2.1	7.6	6.7
Other | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	0.0	0.8	1.0	1.0
Other | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	0.4	0.1	0.9	0.5
Other | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	$ 2.1	$ 1.2	$ 5.7	$ 5.2