Income Taxes Open Tax Years by Jurisdiction (Details)	12 Months Ended
	Dec. 31, 2012
United States [Member]
Income Tax Examination [Line Items]
Income tax years open to examination from	2001
Income Tax Examination, Year(s) under Examination	2012
Australia [Member]
Income Tax Examination [Line Items]
Income tax years open to examination from	2010
Income Tax Examination, Year(s) under Examination	2012
Canada [Member]
Income Tax Examination [Line Items]
Income tax years open to examination from	2008
Income Tax Examination, Year(s) under Examination	2012
Mexico [Member]
Income Tax Examination [Line Items]
Income tax years open to examination from	2007
Income Tax Examination, Year(s) under Examination	2012
Netherlands [Member]
Income Tax Examination [Line Items]
Income tax years open to examination from	2009
Income Tax Examination, Year(s) under Examination	2012