Pension and Non-pension Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2014

Defined Benefit Pension Plans and SERP [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

The components of our net pension expense, including the SERP, are as follows:

Three months ended September 30,	U.S. Plans						Non-U.S. Plans						Total
(dollars in thousands)	2014			2013			2014			2013			2014			2013
Service cost	$	916		$	1,184		$	567		$	729		$	1,483		$	1,913
Interest cost	3,845			3,582			1,396			1,271			5,241			4,853
Expected return on plan assets	(5,597		)	(5,571		)	(616		)	(547		)	(6,213		)	(6,118		)
Amortization of unrecognized:
Prior service cost	265			293			55			65			320			358
Loss	1,014			2,095			253			223			1,267			2,318
Settlement charge	—			424			—			336			—			760
Pension expense	$	443		$	2,007		$	1,655		$	2,077		$	2,098		$	4,084
Nine months ended September 30,	U.S. Plans						Non-U.S. Plans						Total
(dollars in thousands)	2014			2013			2014			2013			2014			2013
Service cost	$	2,748		$	3,554		$	1,724		$	2,137		$	4,472		$	5,691
Interest cost	11,534			10,564			4,242			3,722			15,776			14,286
Expected return on plan assets	(16,790		)	(16,775		)	(1,872		)	(1,524		)	(18,662		)	(18,299		)
Amortization of unrecognized:
Prior service cost	794			879			170			187			964			1,066
Loss	3,043			6,445			770			676			3,813			7,121
Settlement charge	—			1,139			—			336			—			1,475
Pension expense	$	1,329		$	5,806		$	5,034		$	5,534		$	6,363		$	11,340

Non-Pension Postretirement Benefit Plans [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

The provision for our non-pension postretirement benefit expense consists of the following:

Three months ended September 30,	U.S. Plans				Non-U.S. Plans				Total
(dollars in thousands)	2014		2013		2014		2013		2014		2013
Service cost	$	252	$	298	$	—	$	—	$	252	$	298
Interest cost	710		655		26		29		736		684
Amortization of unrecognized:
Prior service cost	35		35		—		—		35		35
Loss / (gain)	66		214		—		—		66		214
Non-pension postretirement benefit expense	$	1,063	$	1,202	$	26	$	29	$	1,089	$	1,231
Nine months ended September 30,	U.S. Plans				Non-U.S. Plans				Total
(dollars in thousands)	2014		2013		2014		2013		2014		2013
Service cost	$	755	$	893	$	1	$	1	$	756	$	894
Interest cost	2,130		1,966		82		83		2,212		2,049
Amortization of unrecognized:
Prior service cost	105		105		—		—		105		105
Loss / (gain)	200		643		—		—		200		643
Non-pension postretirement benefit expense	$	3,190	$	3,607	$	83	$	84	$	3,273	$	3,691