Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	$ 112,743
OCI before reclassifications	(132)
Amount reclassified from accumulated OCI	266
Net current-period OCI	134	1,186
Ending Balance	112,877
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Abstract]
Tax	7,450	(1,668)
Cost of Products Sold	241,838	244,503
Interest Expense	(1,220)	(2,050)
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	117,465
OCI before reclassifications	194
Amount reclassified from accumulated OCI	0
Net current-period OCI	194
Ending Balance	117,659
Accumulated Long-Term Notes Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	2,845
OCI before reclassifications	(1,692)
Amount reclassified from accumulated OCI	0
Net current-period OCI	(1,692)
Ending Balance	1,153
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(6,785)
OCI before reclassifications	123
Amount reclassified from accumulated OCI	13
Net current-period OCI	136
Ending Balance	(6,649)
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Abstract]
Service and interest costs	15
Tax	(2)
Total after tax	13
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(782)
OCI before reclassifications	1,243
Amount reclassified from accumulated OCI	253
Net current-period OCI	1,496
Ending Balance	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]
Tax	(34)
Total after tax	253
Total before tax	287
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	(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	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	$ 67