Income Taxes (Narrative) (Details) In Thousands, unless otherwise specified	12 Months Ended					12 Months Ended			0 Months Ended	1 Months Ended	0 Months Ended
	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2013 Undistributed Foreign Earnings [Member] USD ($)	Dec. 31, 2013 State [Member] USD ($)	Dec. 31, 2013 Foreign Subsidiary and State Net Operating Losses and Tax Credits [Member] USD ($)	Dec. 31, 2013 State Deferred Tax Assets [Member] USD ($)	Dec. 31, 2013 Operating Loss Carryforward, Foreign Jurisdiction [Member] USD ($)	Jan. 30, 2013 BELGIUM Foreign Tax Authority [Member] EUR (€)	Jan. 31, 2012 BELGIUM 2008 Assessment[Member] Foreign Tax Authority [Member] EUR (€)	Dec. 28, 2012 BELGIUM 2005 Assessment [Member] Foreign Tax Authority [Member] EUR (€)	Dec. 28, 2012 BELGIUM 2009 Assessment [Member] Foreign Tax Authority [Member] EUR (€)	Dec. 28, 2012 BELGIUM Two Thousand and Six [Member] Foreign Tax Authority [Member] EUR (€)	Dec. 28, 2012 BELGIUM Two Thousand and Seven [Member] Foreign Tax Authority [Member] EUR (€)	Dec. 28, 2012 BELGIUM Two Thousand and Ten [Member] Foreign Tax Authority [Member] EUR (€)
Income Taxes [Line Items]
Valuation allowance against deferred tax asset	$ (321,585)	$ (334,215)	$ (375,859)
Change in the valuation allowance	12,630	9,088				(54,274)	(37,115)	(248,055)
Foreign currency translation	5,863	7,040	(12,471)
Net operating loss carryforwards and tax credit	247,786		438,272		51,928
Net operating loss carryforwards in various foreign jurisdictions			386,344
Federal income taxes on earnings				1,200,000
Foreign tax assessment										23,789	46,135	35,567	38,817	39,635	43,117
Interest Tax Examination, Refund, Interest Income									1,583
Gross unrecognized tax benefits	53,835	46,087	56,545
Unrecognized tax benefits that would impact effective tax rate			37,732
Interest and penalties	5,874		13,890
Accrued/(reversed) interest and penalties	(1,585)	(3,755)	74
Expected decrease in unrecognized tax benefits within next twelve months			$ 4,315