Pension and Non-pension Postretirement Benefits (Tables)

6 Months Ended

Jun. 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 June 30,	U.S. Plans						Non-U.S. Plans						Total
(dollars in thousands)	2014			2013			2014			2013			2014			2013
Service cost	$	807		$	1,092		$	579		$	686		$	1,386		$	1,778
Interest cost	3,819			3,501			1,422			1,195			5,241			4,696
Expected return on plan assets	(5,585		)	(5,605		)	(624		)	(496		)	(6,209		)	(6,101		)
Amortization of unrecognized:
Prior service cost	264			293			58			60			322			353
Loss	787			2,263			259			215			1,046			2,478
Settlement charge	—			715			—			—			—			715
Pension expense	$	92		$	2,259		$	1,694		$	1,660		$	1,786		$	3,919
Six months ended June 30,	U.S. Plans						Non-U.S. Plans						Total
(dollars in thousands)	2014			2013			2014			2013			2014			2013
Service cost	$	1,832		$	2,370		$	1,157		$	1,408		$	2,989		$	3,778
Interest cost	7,689			6,982			2,846			2,451			10,535			9,433
Expected return on plan assets	(11,193		)	(11,204		)	(1,256		)	(977		)	(12,449		)	(12,181		)
Amortization of unrecognized:
Prior service cost	529			586			115			122			644			708
Loss	2,029			4,350			517			453			2,546			4,803
Settlement charge	—			715			—			—			—			715
Pension expense	$	886		$	3,799		$	3,379		$	3,457		$	4,265		$	7,256

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)	2014		2013		2014		2013		2014		2013
Service cost	$	251	$	203	$	1	$	1	$	252	$	204
Interest cost	710		610		29		31		739		641
Amortization of unrecognized:
Prior service cost	35		36		—		—		35		36
Loss / (gain)	67		138		—		1		67		139
Non-pension postretirement benefit expense	$	1,063	$	987	$	30	$	33	$	1,093	$	1,020
Six months ended June 30,	U.S. Plans				Non-U.S. Plans				Total
(dollars in thousands)	2014		2013		2014		2013		2014		2013
Service cost	$	503	$	595	$	1	$	1	$	504	$	596
Interest cost	1,420		1,311		56		54		1,476		1,365
Amortization of unrecognized:
Prior service cost	70		70		—		—		70		70
Loss / (gain)	134		429		—		—		134		429
Non-pension postretirement benefit expense	$	2,127	$	2,405	$	57	$	55	$	2,184	$	2,460