Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax, Portion Attributable to Parent	$ 496		$ 0
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax	18,425		14,207		12,635
Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax	(5,103)		(12,566)		(9,642)
Accumulated other comprehensive income	13,322		1,641		2,993
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Before Reclassificaions, Net of Tax	4,218		1,572
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax	6,611		(3,899)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	10,829		(2,327)
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net (Gain) Loss, Net of Tax	852	[1]	975	[1]
Other Comprehensive Income (Loss), After Reclassifications, Net of Tax	852		975
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	4,218		1,572
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	7,463		(2,924)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	11,681		(1,352)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Tax	3,769		(1,698)
Cost of Sales [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax	530		411
Selling, General and Administrative Expenses [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax	$ 818		$ 564

[1] Amounts reclassified from accumulated other comprehensive income were expensed and included in cost of sales ($530 and $411 for the years ended December 31, 2013 and 2012, respectively) and selling, general and administrative expenses ($818 and $564 for the years ended December 31, 2013 and 2012, respectively) in the consolidated statements of income.