Pension and Non-pension Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 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 March 31,	U.S. Plans						Non-U.S. Plans						Total
(dollars in thousands)	2014			2013			2014			2013			2014			2013
Service cost	$	1,025		$	1,278		$	578		$	722		$	1,603		$	2,000
Interest cost	3,870			3,481			1,424			1,256			5,294			4,737
Expected return on plan assets	(5,608		)	(5,599		)	(632		)	(481		)	(6,240		)	(6,080		)
Amortization of unrecognized:
Prior service cost	265			293			57			62			322			355
Loss	1,242			2,087			258			238			1,500			2,325
Pension expense	$	794		$	1,540		$	1,685		$	1,797		$	2,479		$	3,337

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 March 31,	U.S. Plans				Non-U.S. Plans					Total
(dollars in thousands)	2014		2013		2014		2013			2014		2013
Service cost	$	252	$	392	$	—	$	—		$	252	$	392
Interest cost	710		701		27		23			737		724
Amortization of unrecognized:
Prior service cost	35		34		—		—			35		34
Loss / (gain)	67		291		—		(1		)	67		290
Non-pension postretirement benefit expense	$	1,064	$	1,418	$	27	$	22		$	1,091	$	1,440