Accumulated Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2015

Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Accumulated other comprehensive loss, net of tax, is as follows:

Three months ended June 30, 2015 (dollars in thousands)	Foreign Currency Translation			Derivative Instruments			Pension and Other Postretirement Benefits			Total Accumulated Comprehensive Loss
Balance on March 31, 2015	$	(19,652	)	$	(867	)	$	(123,948	)	$	(144,467	)
Other comprehensive income (loss)	2,181			42			5,394			7,617
Currency impact	—			—			122			122
Amounts reclassified from accumulated other comprehensive income (loss):
Amortization of actuarial loss (1)	—			—			2,244			2,244
Amortization of prior service cost (1)	—			—			79			79
Cost of sales	—			552			—			552
Current-period other comprehensive income (loss)	2,181			594			7,839			10,614
Tax effect	—			(22		)	(130		)	(152		)
Balance on June 30, 2015	$	(17,471	)	$	(295	)	$	(116,239	)	$	(134,005	)
Six months ended June 30, 2015 (dollars in thousands)	Foreign Currency Translation			Derivative Instruments			Pension and Other Postretirement Benefits			Total Accumulated Comprehensive Loss
Balance on December 31, 2014	$	(9,162	)	$	(625	)	$	(128,660	)	$	(138,447	)
Other comprehensive income (loss)	(8,309		)	(787		)	5,394			(3,702		)
Currency impact	—			—			2,413			2,413
Amounts reclassified from accumulated other comprehensive income (loss):
Amortization of actuarial loss (1)	—			—			4,732			4,732
Amortization of prior service cost (1)	—			—			154			154
Cost of sales	—			1,159			—			1,159
Current-period other comprehensive income (loss)	(8,309		)	372			12,693			4,756
Tax effect	—			(42		)	(272		)	(314		)
Balance on June 30, 2015	$	(17,471	)	$	(295	)	$	(116,239	)	$	(134,005	)

Three months ended June 30, 2014 (dollars in thousands)	Foreign Currency Translation			Derivative Instruments			Pension and Other Postretirement Benefits			Total Accumulated Comprehensive Loss
Balance on March 31, 2014	$	3,966		$	1,359		$	(77,586	)	$	(72,261	)
Other comprehensive income (loss)	(785		)	(124		)	1,292			383
Currency impact	—			—			297			297
Amounts reclassified from accumulated other comprehensive income (loss):
Amortization of actuarial loss (1)	—			—			1,113			1,113
Amortization of prior service cost (1)	—			—			357			357
Cost of sales	—			(349		)	—			(349		)
Current-period other comprehensive income (loss)	(785		)	(473		)	3,059			1,801
Tax effect	—			61			(975		)	(914		)
Balance on June 30, 2014	$	3,181		$	947		$	(75,502	)	$	(71,374	)
Six months ended June 30, 2014 (dollars in thousands)	Foreign Currency Translation			Derivative Instruments			Pension and Other Postretirement Benefits			Total Accumulated Comprehensive Loss
Balance on December 31, 2013	$	4,554		$	1,221		$	(78,935	)	$	(73,160	)
Other comprehensive income (loss)	(1,373		)	506			1,292			425
Currency impact	—			—			310			310
Amounts reclassified from accumulated other comprehensive income (loss):
Amortization of actuarial loss (1)	—			—			2,680			2,680
Amortization of prior service cost (1)	—			—			714			714
Cost of sales	—			(814		)	—			(814		)
Current-period other comprehensive income (loss)	(1,373		)	(308		)	4,996			3,315
Tax effect	—			34			(1,563		)	(1,529		)
Balance on June 30, 2014	$	3,181		$	947		$	(75,502	)	$	(71,374	)

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(1) These accumulated other comprehensive income components are included in the computation of net periodic benefit cost within the cost of sales and selling, general and administrative expenses on the Condensed Consolidated Statements of Operations.