Retirement Benefits (Tables)

9 Months Ended

Sep. 30, 2015

Retirement Benefits [Abstract]

Summary Of Net Periodic Benefit Cost For U.S. Employees

Pension Benefits	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2015			2014			2015			2014
Service cost	$	3,203		$	2,460		$	9,398		$	7,381
Interest cost		2,758			2,542			7,926			7,625
Expected return on plan assets		(2,904	)		(2,822	)		(8,710	)		(8,468	)
Amortization of prior service cost		4			13			15			38
Amortization of net (income) loss		2,312			1,173			6,824			3,356
FAS 88 settlement charge		-			5,269			-			5,269
Net periodic benefit cost	$	5,373		$	8,635		$	15,453		$	15,201

Other Benefits	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(Dollars in thousands)	2015		2014		2015		2014
Service cost	$	498	$	407	$	1,498	$	1,221
Interest cost		329		342		987		1,026
Amortization of net (income) loss		76		82		497		246
Net periodic benefit cost	$	903	$	831	$	2,982	$	2,493