Stockholders Equity (Amounts Reclassified out of Accumulated Other Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales	$ 155,545		$ 141,242
Interest expense	2,125		1,454
Income from continuing operations before income tax provision	(1,407)		2,089
Income tax benefit	(380)		565
Total reclassifications for the period	(1,027)		1,524
Reclassification out of Accumulated Other Comprehensive Income
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications for the period	444		338
Reclassification out of Accumulated Other Comprehensive Income | Loss (gain) on cash flow hedging
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Income from continuing operations before income tax provision	284		276
Income tax benefit	99		96
Total reclassifications for the period	185		180
Reclassification out of Accumulated Other Comprehensive Income | Loss (gain) on cash flow hedging | Foreign exchange contracts
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales	(85)		(88)
Reclassification out of Accumulated Other Comprehensive Income | Loss (gain) on cash flow hedging | Interest rate contracts
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	369		364
Reclassification out of Accumulated Other Comprehensive Income | Pension and postretirement plan
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Actuarial loss	381	[1]	260	[1]
Prior-service credit	(14)	[1]	(19)	[1]
Income from continuing operations before income tax provision	367		241
Income tax benefit	108		83
Total reclassifications for the period	$ 259		$ 158

[1] These AOCI components are included in the computation of pension and postretirement health care (income) expense. See Note 10 for further discussion.