Pension and Non-pension Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2013

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)	2013			2012			2013			2012			2013			2012
Service cost	$	1,278		$	1,555		$	722		$	442		$	2,000		$	1,997
Interest cost	3,481			4,019			1,256			1,256			4,737			5,275
Expected return on plan assets	(5,599		)	(4,485		)	(481		)	(607		)	(6,080		)	(5,092		)
Amortization of unrecognized:
Prior service cost	293			521			62			66			355			587
Loss	2,087			1,801			238			135			2,325			1,936
Settlement charge	—			420			—			—			—			420
Pension expense	$	1,540		$	3,831		$	1,797		$	1,292		$	3,337		$	5,123

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)	2013		2012		2013			2012		2013		2012
Service cost	$	392	$	368	$	—		$	—	$	392	$	368
Interest cost	701		857		23			26		724		883
Amortization of unrecognized:
Prior service cost	34		105		—			—		34		105
Loss / (gain)	291		229		(1		)	—		290		229
Non-pension postretirement benefit expense	$	1,418	$	1,559	$	22		$	26	$	1,440	$	1,585