Income Taxes (Details) - Multiple tax jurisdictions, both within and outside of the United States (Parentheticals)	12 Months Ended
	Dec. 31, 2013
United States – Federal [Member] | Minimum [Member]
Income Tax Examination [Line Items]
Open Tax Year	2010
United States – Federal [Member] | Maximum [Member]
Income Tax Examination [Line Items]
Open Tax Year	2013
United States – State [Member] | Minimum [Member]
Income Tax Examination [Line Items]
Open Tax Year	2009
United States – State [Member] | Maximum [Member]
Income Tax Examination [Line Items]
Open Tax Year	2013
Canada [Member] | Minimum [Member]
Income Tax Examination [Line Items]
Open Tax Year	2008
Canada [Member] | Maximum [Member]
Income Tax Examination [Line Items]
Open Tax Year	2013
Sweden [Member] | Minimum [Member]
Income Tax Examination [Line Items]
Open Tax Year	2011
Sweden [Member] | Maximum [Member]
Income Tax Examination [Line Items]
Open Tax Year	2013
United Kingdom [Member] | Minimum [Member]
Income Tax Examination [Line Items]
Open Tax Year	2009
United Kingdom [Member] | Maximum [Member]
Income Tax Examination [Line Items]
Open Tax Year	2013