Segments (Percentage of Net Sales by Product Line) (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Product Information [Line Items]
Percentage of net sales	100.00%	100.00%	100.00%
Supply Technologies
Product Information [Line Items]
Percentage of net sales	100.00%	100.00%	100.00%
Supply Technologies | Supply Technologies
Product Information [Line Items]
Percentage of net sales	87.00%	88.00%	87.00%
Supply Technologies | Engineered specialty products
Product Information [Line Items]
Percentage of net sales	13.00%	12.00%	13.00%
Assembly Components
Product Information [Line Items]
Percentage of net sales	100.00%	100.00%	100.00%
Assembly Components | Fluid routing
Product Information [Line Items]
Percentage of net sales	50.00%	49.00%	54.00%
Assembly Components | Aluminum products
Product Information [Line Items]
Percentage of net sales	41.00%	43.00%	37.00%
Assembly Components | Rubber and plastics
Product Information [Line Items]
Percentage of net sales	7.00%	6.00%	7.00%
Assembly Components | Screw products
Product Information [Line Items]
Percentage of net sales	2.00%	2.00%	2.00%
Engineered Products
Product Information [Line Items]
Percentage of net sales	100.00%	100.00%	100.00%
Engineered Products | Industrial equipment business
Product Information [Line Items]
Percentage of net sales	81.00%	78.00%	77.00%
Engineered Products | Forged and machined products
Product Information [Line Items]
Percentage of net sales	19.00%	22.00%	23.00%