Revenue (Summary of Disaggregation of Revenue by Geographical Area) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	$ 379.5	$ 403.4	$ 415.3	$ 420.1	$ 405.9	$ 414.3	$ 432.2	$ 405.7	$ 1,618.3	$ 1,658.1	$ 1,412.9
Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									611.5	636.8	561.8
Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									539.5	578.3	524.5
Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									467.3	443.0	$ 326.6
United States
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									1,063.9	1,086.3
United States | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									404.5	421.8
United States | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									388.1	410.2
United States | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									271.3	254.3
Europe
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									192.8	183.3
Europe | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									98.0	98.2
Europe | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									14.6	7.8
Europe | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									80.2	77.3
Asia
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									127.9	140.4
Asia | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									40.3	49.2
Asia | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									21.4	30.0
Asia | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									66.2	61.2
Mexico
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									105.8	103.5
Mexico | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									54.7	53.3
Mexico | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									37.3	34.0
Mexico | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									13.8	16.2
Canada
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									112.8	130.7
Canada | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									12.2	13.3
Canada | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									76.7	94.9
Canada | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									23.9	22.5
Other
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									15.1	13.9
Other | Supply Technologies Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									1.8	1.0
Other | Assembly Components Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									1.4	1.4
Other | Engineered Products Segment
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues									$ 11.9	$ 11.5