Goodwill (Change in Goodwill) (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Goodwill [Roll Forward]
Goodwill, beginning of period	$ 89.5	$ 60.4
Acquisitions		28.9
Foreign currency translation	(0.8)	0.2
Acquisition adjustments	(16.3)
Goodwill, end of period	72.4	89.5
Supply Technologies [Member] | Operating Segments [Member]
Goodwill [Roll Forward]
Goodwill, beginning of period	7.6	6.4
Acquisitions		0.7
Foreign currency translation	(0.2)	0.5
Acquisition adjustments	0.0
Goodwill, end of period	7.4	7.6
Assembly Components [Member] | Operating Segments [Member]
Goodwill [Roll Forward]
Goodwill, beginning of period	54.0	49.0
Acquisitions		5.0
Foreign currency translation	0.0	0.0
Acquisition adjustments	0.1
Goodwill, end of period	54.1	54.0
Engineered Products [Member] | Operating Segments [Member]
Goodwill [Roll Forward]
Goodwill, beginning of period	27.9	5.0
Acquisitions		23.2
Foreign currency translation	(0.6)	(0.3)
Acquisition adjustments	(16.4)
Goodwill, end of period	$ 10.9	$ 27.9