Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	$ 125,156	$ 112,743
OCI before reclassifications	6,506	(132)
Amount reclassified from accumulated OCI	184	266
Net current-period OCI	6,690	134
Ending Balance	131,846	112,877
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Abstract]
Net Sales	309,069	331,437
Cost of Products Sold	223,821	237,853
Service and interest costs	(708)	(300)
Interest Expense	(738)	(1,010)
Tax	(2,225)	7,475
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	143,845	117,465
OCI before reclassifications	6,103	194
Amount reclassified from accumulated OCI	0	0
Net current-period OCI	6,103	194
Ending Balance	149,948	117,659
Accumulated Long-Term Notes Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(12,566)	2,845
OCI before reclassifications	545	(1,692)
Amount reclassified from accumulated OCI	0	0
Net current-period OCI	545	(1,692)
Ending Balance	(12,021)	1,153
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(5,414)	(6,785)
OCI before reclassifications	484	123
Amount reclassified from accumulated OCI	58	13
Net current-period OCI	542	136
Ending Balance	(4,872)	(6,649)
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Abstract]
Service and interest costs	58	15
Tax	0	(2)
Total after tax	58	13
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(709)	(782)
OCI before reclassifications	(626)	1,243
Amount reclassified from accumulated OCI	126	253
Net current-period OCI	(500)	1,496
Ending Balance	(1,209)	714
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Abstract]
Total before tax	143	287
Tax	(17)	(34)
Total after tax	126	253
Foreign Exchange Contract [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Abstract]
Net Sales	10	(136)
Commodity Contract [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Abstract]
Cost of Products Sold	133	356
Interest Rate Contract [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Abstract]
Interest Expense	$ 0	$ 67