Pension and Non-pension Postretirement Benefits (Tables)

6 Months Ended

Jun. 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 June 30,	U.S. Plans						Non-U.S. Plans						Total
(dollars in thousands)	2013			2012			2013			2012			2013			2012
Service cost	$	1,092		$	1,370		$	686		$	548		$	1,778		$	1,918
Interest cost	3,501			3,827			1,195			1,178			4,696			5,005
Expected return on plan assets	(5,605		)	(4,461		)	(496		)	(583		)	(6,101		)	(5,044		)
Amortization of unrecognized:
Prior service cost	293			522			60			62			353			584
Loss	2,263			1,719			215			124			2,478			1,843
Settlement charge	715			37			—			—			715			37
Pension expense	$	2,259		$	3,014		$	1,660		$	1,329		$	3,919		$	4,343
Six months ended June 30,	U.S. Plans						Non-U.S. Plans						Total
(dollars in thousands)	2013			2012			2013			2012			2013			2012
Service cost	$	2,370		$	2,925		$	1,408		$	990		$	3,778		$	3,915
Interest cost	6,982			7,846			2,451			2,434			9,433			10,280
Expected return on plan assets	(11,204		)	(8,946		)	(977		)	(1,190		)	(12,181		)	(10,136		)
Amortization of unrecognized:
Prior service cost	586			1,043			122			128			708			1,171
Loss	4,350			3,520			453			259			4,803			3,779
Settlement charge	715			457			—			—			715			457
Pension expense	$	3,799		$	6,845		$	3,457		$	2,621		$	7,256		$	9,466

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 June 30,	U.S. Plans				Non-U.S. Plans					Total
(dollars in thousands)	2013		2012		2013		2012			2013		2012
Service cost	$	203	$	367	$	1	$	1		$	204	$	368
Interest cost	610		856		31		26			641		882
Amortization of unrecognized:
Prior service cost	36		106		—		—			36		106
Loss / (gain)	138		229		1		(1		)	139		228
Non-pension postretirement benefit expense	$	987	$	1,558	$	33	$	26		$	1,020	$	1,584
Six months ended June 30,	U.S. Plans				Non-U.S. Plans					Total
(dollars in thousands)	2013		2012		2013		2012			2013		2012
Service cost	$	595	$	735	$	1	$	1		$	596	$	736
Interest cost	1,311		1,713		54		52			1,365		1,765
Amortization of unrecognized:
Prior service cost	70		211		—		—			70		211
Loss / (gain)	429		458		—		(1		)	429		457
Non-pension postretirement benefit expense	$	2,405	$	3,117	$	55	$	52		$	2,460	$	3,169