Changes in Accumulated Other Comprehensive Income by Component (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ (13,090)	$ (12,238)	$ (10,271)
Net sales	1,091,566	928,780	865,078
Income from continuing operations before income taxes	107,574	92,262	90,975
Tax benefit	(35,253)	(12,432)	(16,020)
Income from continuing operations	72,321	79,830	74,955
Income (loss) from discontinued operations, net of income taxes	198,206	15,419	(10,240)
Total reclassifications in the period	270,527	95,249	64,715
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) from discontinued operations, net of income taxes	(4,143)
Total reclassifications in the period	(13,957)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gains and Losses on Cash Flow Hedges
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income from continuing operations before income taxes	(117)
Tax benefit	156
Income from continuing operations	39
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gains and Losses on Cash Flow Hedges | Interest Rate Contracts [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	(850)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gains and Losses on Cash Flow Hedges | Foreign Exchange Contracts [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net sales	733
Reclassification out of Accumulated Other Comprehensive Income [Member] | Pension and Other Postretirement Benefit Items
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income from continuing operations before income taxes	(14,870)
Tax benefit	5,017
Income from continuing operations	(9,853)
Amortization of prior-service credits, net	254
Amortization of actuarial losses	(17,369)
Curtailment gain (net)	2,882
Settlement loss	$ (637)