Reporting Segments and Related Information - Major Customers & Products (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenue from External Customer [Line Items]
Percentage of net sales	10.00%
Sales Revenue, Goods, Net [Member] | Turbochargers [Member]
Revenue from External Customer [Line Items]
Concentration Risk, Percentage	26.00%	26.00%	26.00%
Sales Revenue, Goods, Net [Member] | Volkswagen [Member]
Revenue from External Customer [Line Items]
Concentration Risk, Percentage	16.00%	17.00%	19.00%
Sales Revenue, Goods, Net [Member] | Ford [Member]
Revenue from External Customer [Line Items]
Concentration Risk, Percentage	14.00%	13.00%	12.00%
Accounts Receivable [Member] | Volkswagen and Ford [Member]
Revenue from External Customer [Line Items]
Concentration Risk, Percentage	24.00%
Accounts Receivable, Net	$ 248.4