Employee Benefits (Tables)

3 Months Ended

Mar. 31, 2014

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 March 31,
(DOLLARS IN THOUSANDS)	2014			2013
Service cost for benefits earned	$	885		$	881
Interest cost on projected benefit obligation	6,232			5,741
Expected return on plan assets	(6,913		)	(6,557		)
Net amortization and deferrals	4,255			5,869
Net periodic benefit cost	4,459			5,934
Defined contribution and other retirement plans	2,112			1,870
Total expense	$	6,571		$	7,804
Non-U.S. Plans	Three Months Ended March 31,
(DOLLARS IN THOUSANDS)	2014			2013
Service cost for benefits earned	$	3,948		$	4,143
Interest cost on projected benefit obligation	8,412			7,874
Expected return on plan assets	(12,481		)	(12,099		)
Net amortization and deferrals	2,955			2,368
Loss due to settlements and special terminations	—			40
Net periodic benefit cost	2,834			2,326
Defined contribution and other retirement plans	1,177			1,291
Total expense	$	4,011		$	3,617

Postretirement Benefits Other Than Pension Expenses

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

	Three Months Ended March 31,
(DOLLARS IN THOUSANDS)	2014			2013
Service cost for benefits earned	$	323		$	362
Interest cost on projected benefit obligation	1,238			1,168
Net amortization and deferrals	(978		)	(663		)
Total postretirement benefit expense	$	583		$	867