Employee Benefits (Tables)

6 Months Ended

Jun. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Pension and Other Defined Contribution Retirement Plan Expenses

Pension and other defined contribution retirement plan expenses included the following components:

U.S. Plans	Three Months Ended June 30,						Six Months Ended June 30,
(DOLLARS IN THOUSANDS)	2015			2014			2015			2014
Service cost for benefits earned	$	984		$	885		$	1,968		$	1,769
Interest cost on projected benefit obligation	5,954			6,232			11,907			12,463
Expected return on plan assets	(8,083		)	(6,913		)	(16,165		)	(13,826		)
Net amortization and deferrals	5,203			4,255			10,406			8,509
Net periodic benefit cost	4,058			4,459			8,116			8,915
Defined contribution and other retirement plans	2,093			1,791			4,228			3,902
Total expense	$	6,151		$	6,250		$	12,344		$	12,817
Non-U.S. Plans	Three Months Ended June 30,						Six Months Ended June 30,
(DOLLARS IN THOUSANDS)	2015			2014			2015			2014
Service cost for benefits earned	$	4,102		$	4,002		$	8,485		$	7,950
Interest cost on projected benefit obligation	6,151			8,541			12,543			16,952
Expected return on plan assets	(12,440		)	(12,675		)	(25,390		)	(25,155		)
Net amortization and deferrals	3,314			3,000			6,801			5,954
Net periodic benefit cost	1,127			2,868			2,439			5,701
Defined contribution and other retirement plans	1,693			1,444			3,288			2,622
Total expense	$	2,820		$	4,312		$	5,727		$	8,323

Postretirement Benefits Other Than Pension Expenses

Expense recognized for postretirement benefits other than pensions included the following components:

	Three Months Ended June 30,						Six Months Ended June 30,
(DOLLARS IN THOUSANDS)	2015			2014			2015			2014
Service cost for benefits earned	$	301		$	323		$	601		$	645
Interest cost on projected benefit obligation	1,082			1,238			2,164			2,475
Net amortization and deferrals	(712		)	(979		)	(1,423		)	(1,958		)
Total postretirement benefit expense	$	671		$	582		$	1,342		$	1,162