Stockholders Equity (Amounts Reclassified out of Accumulated Other Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales	$ 175,171		$ 179,395		$ 480,260		$ 477,573
Interest expense	2,046		1,044		5,450		3,496
Income from continuing operations before income tax provision	(9,066)		(15,484)		(681)		(28,564)
Income tax expense (benefit)	(1,367)		(3,159)		1,870		(6,670)
Total reclassifications for the period	(7,699)		(12,325)		(2,551)		(21,894)
Reclassification out of Accumulated Other Comprehensive Income
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications for the period	429		216		1,055		1,294
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	386		(62)		926		381
Income tax expense (benefit)	137		(24)		324		146
Total reclassifications for the period	249		(38)		602		235
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	8		(62)		(194)		(79)
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	378		0		1,120		460
Reclassification out of Accumulated Other Comprehensive Income | Pension and postretirement plan
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Actuarial loss	273	[1]	396	[1]	742	[1]	1,709	[1]
Prior-service credit	(18)	[1]	(33)	[1]	(54)	[1]	(133)	[1]
Income from continuing operations before income tax provision	255		363		688		1,576
Income tax expense (benefit)	75		109		235		517
Total reclassifications for the period	$ 180		$ 254		$ 453		$ 1,059

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