Other (Income) Expense Foreign Currency Gain Loss by Currency (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Foreign Currency Transaction Gain (Loss), before Tax	$ 4,339	$ 142	$ 1,800
Argentine Peso [Member]
Foreign Currency Transaction Gain (Loss), before Tax	356	147	113
AustralianDollar [Member]
Foreign Currency Transaction Gain (Loss), before Tax	432	30	81
British Pound [Member]
Foreign Currency Transaction Gain (Loss), before Tax	(49)	(41)	163
Canadian Dollar [Member]
Foreign Currency Transaction Gain (Loss), before Tax	1,456	(415)	423
Euro [Member]
Foreign Currency Transaction Gain (Loss), before Tax	848	(62)	257
Indonesian Rupiah [Member]
Foreign Currency Transaction Gain (Loss), before Tax	364	145	64
Malaysian Ringgit [Member]
Foreign Currency Transaction Gain (Loss), before Tax	421	70	187
Other Currencies Net [Member]
Foreign Currency Transaction Gain (Loss), before Tax	$ 511	$ 268	$ 512