Accumulated Other Comprehensive Income (Loss) by Component (Reclassified Out of Accumulated Other Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net Sales	$ 289,024	$ 304,501
Cost of Products Sold	(211,929)	(221,708)
Amortization of prior service costs and unrecognized gains	81,240	96,802
Total before tax	(5,039)	(16,870)
Income tax provision	(2,475)	(2,025)
Net loss from Continuing Operations	(7,514)	(18,895)
Accumulated Defined Benefit Plans Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of prior service costs and unrecognized gains	41	58
Income tax provision	0	0
Net loss from Continuing Operations	41	58
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total before tax	(270)	143
Income tax provision	128	(17)
Net loss from Continuing Operations	(142)	126
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Reclassification out of Accumulated Other Comprehensive Income | Foreign currency forward contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net Sales	192	10
Cost of Products Sold	$ (462)	$ (133)