Revenue (Summary of Disaggregation of Revenue by Geographical Area) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	$ 359.6	$ 366.3
Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	157.7	140.8
Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	126.0	128.2
Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	75.9	97.3
United States
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	222.8	233.9
United States | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	97.1	90.0
United States | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	87.6	90.7
United States | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	38.1	53.2
Europe
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	46.1	43.6
Europe | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	28.9	23.7
Europe | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	3.8	4.2
Europe | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	13.4	15.7
Asia
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	31.1	29.6
Asia | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	11.1	9.5
Asia | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	6.8	4.3
Asia | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	13.2	15.8
Mexico
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	31.3	26.9
Mexico | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	16.7	14.5
Mexico | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	10.7	10.2
Mexico | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	3.9	2.2
Canada
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	23.2	27.7
Canada | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	2.9	2.9
Canada | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	16.6	18.4
Canada | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	3.7	6.4
Other
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	5.1	4.6
Other | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	1.0	0.2
Other | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	0.5	0.4
Other | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	$ 3.6	$ 4.0