Pension and Other Postretirement Benefit Plans Schedule of Amounts Recognized in Balance Sheet (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Other Assets, Noncurrent	$ 39,580	$ 28,909
Deferred Tax Assets, Net	13,388	21,248
Other Liabilities, Noncurrent	41,960	39,171
Accumulated Other Comprehensive Income (Loss), Net of Tax	(8,626)	(8,413)
Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Deferred Tax Assets, Net	2,488	268
Other Liabilities, Noncurrent	9,952	8,783
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (8,626)	$ (8,413)