Revenue (Summary of Disaggregation of Revenue by Geographical Area) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	$ 366.3	$ 420.1
Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	140.8	165.3
Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	128.2	138.3
Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	97.3	116.5
United States
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	233.9	280.2
United States | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	90.0	110.4
United States | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	90.7	101.7
United States | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	53.2	68.1
Europe
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	43.6	51.2
Europe | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	23.7	26.5
Europe | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	4.2	4.3
Europe | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	15.7	20.4
Asia
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	29.6	31.4
Asia | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	9.5	11.3
Asia | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	4.3	5.2
Asia | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	15.8	14.9
Mexico
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	26.9	25.7
Mexico | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	14.5	13.7
Mexico | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	10.2	9.0
Mexico | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	2.2	3.0
Canada
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	27.7	28.5
Canada | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	2.9	3.2
Canada | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	18.4	17.7
Canada | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	6.4	7.6
Other
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	4.6	3.1
Other | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	0.2	0.2
Other | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	0.4	0.4
Other | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	$ 4.0	$ 2.5