Goodwill (Change in Goodwill) (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Goodwill [Roll Forward]
Goodwill, beginning of period	$ 89.5	$ 60.4
Acquisitions		28.9
Foreign currency translation	0.1	0.2
Acquisition adjustments	(14.9)
Goodwill, end of period	74.7	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	0.0	0.5
Acquisition adjustments	0.0
Goodwill, end of period	7.6	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	0.1	(0.3)
Acquisition adjustments	(15.0)
Goodwill, end of period	$ 13.0	$ 27.9