Pension and Non-pension Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 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 September 30,	U.S. Plans						Non-U.S. Plans						Total
(dollars in thousands)	2013			2012			2013			2012			2013			2012
Service cost	$	1,184		$	1,543		$	729		$	118		$	1,913		$	1,661
Interest cost	3,582			3,702			1,271			1,327			4,853			5,029
Expected return on plan assets	(5,571		)	(4,939		)	(547		)	(596		)	(6,118		)	(5,535		)
Amortization of unrecognized:
Prior service cost	293			494			65			70			358			564
Loss	2,095			1,302			223			149			2,318			1,451
Settlement charge	424			—			336			93			760			93
Curtailment charge (credit)	—			(125		)	—			—			—			(125		)
Pension expense	$	2,007		$	1,977		$	2,077		$	1,161		$	4,084		$	3,138
Nine months ended September 30,	U.S. Plans						Non-U.S. Plans						Total
(dollars in thousands)	2013			2012			2013			2012			2013			2012
Service cost	$	3,554		$	4,468		$	2,137		$	1,108		$	5,691		$	5,576
Interest cost	10,564			11,548			3,722			3,761			14,286			15,309
Expected return on plan assets	(16,775		)	(13,885		)	(1,524		)	(1,786		)	(18,299		)	(15,671		)
Amortization of unrecognized:
Prior service cost	879			1,537			187			198			1,066			1,735
Loss	6,445			4,822			676			408			7,121			5,230
Settlement charge	1,139			457			336			93			1,475			550
Curtailment charge (credit)	—			(125		)	—			—			—			(125		)
Pension expense	$	5,806		$	8,822		$	5,534		$	3,782		$	11,340		$	12,604

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)	2013		2012		2013		2012			2013		2012
Service cost	$	298	$	368	$	—	$	—		$	298	$	368
Interest cost	655		857		29		28			684		885
Amortization of unrecognized:
Prior service cost	35		105		—		—			35		105
Loss / (gain)	214		229		—		—			214		229
Non-pension postretirement benefit expense	$	1,202	$	1,559	$	29	$	28		$	1,231	$	1,587
Nine months ended September 30,	U.S. Plans				Non-U.S. Plans					Total
(dollars in thousands)	2013		2012		2013		2012			2013		2012
Service cost	$	893	$	1,103	$	1	$	1		$	894	$	1,104
Interest cost	1,966		2,570		83		80			2,049		2,650
Amortization of unrecognized:
Prior service cost	105		316		—		—			105		316
Loss / (gain)	643		687		—		(1		)	643		686
Non-pension postretirement benefit expense	$	3,607	$	4,676	$	84	$	80		$	3,691	$	4,756