Revenue (Summary of Disaggregation of Revenue by Geographical Area) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	$ 340.2	$ 403.4	$ 934.8	$ 1,238.8
Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	132.0	148.6	367.2	475.4
Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	126.9	135.9	310.0	410.5
Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	81.3	118.9	257.6	352.9
United States
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	206.1	259.9	582.9	815.6
United States | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	77.0	98.2	228.3	319.2
United States | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	86.1	92.5	212.9	291.2
United States | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	43.0	69.2	141.7	205.2
Europe
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	41.5	42.2	111.9	141.8
Europe | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	21.6	23.3	59.3	74.0
Europe | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	3.8	2.9	10.2	11.0
Europe | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	16.1	16.0	42.4	56.8
Asia
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	32.0	33.4	97.4	94.1
Asia | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	10.3	9.6	31.5	30.4
Asia | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	9.1	6.0	19.8	15.2
Asia | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	12.6	17.8	46.1	48.5
Mexico
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	32.5	30.4	69.3	83.5
Mexico | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	20.5	13.7	40.0	40.8
Mexico | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	10.0	12.6	23.8	32.2
Mexico | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	2.0	4.1	5.5	10.5
Canada
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	25.9	31.0	64.4	89.9
Canada | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	2.5	3.1	7.0	9.6
Canada | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	17.4	21.5	42.3	59.7
Canada | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	6.0	6.4	15.1	20.6
Other
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	2.2	6.5	8.9	13.9
Other | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	0.1	0.7	1.1	1.4
Other | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	0.5	0.4	1.0	1.2
Other | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	$ 1.6	$ 5.4	$ 6.8	$ 11.3