Income Taxes (Details 6)	12 Months Ended
	Dec. 31, 2013
Canada
Income Tax Contingency [Line Items]
Open tax year	2008
Germany
Income Tax Contingency [Line Items]
Open tax year	2005
Italy
Income Tax Contingency [Line Items]
Open tax year	2008
Luxembourg
Income Tax Contingency [Line Items]
Open tax year	2010
Poland
Income Tax Contingency [Line Items]
Open tax year	2006
Sweden
Income Tax Contingency [Line Items]
Open tax year	2008
Switzerland
Income Tax Contingency [Line Items]
Open tax year	2013
United Kingdom
Income Tax Contingency [Line Items]
Open tax year	2006
United States
Income Tax Contingency [Line Items]
Open tax year	2009