Employee Benefits (Tables)

6 Months Ended

Jun. 30, 2016

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)	2016			2015			2016			2015
Service cost for benefits earned	$	772		$	984		$	1,543		$	1,968
Interest cost on projected benefit obligation	6,006			5,954			12,013			11,907
Expected return on plan assets	(8,070		)	(8,083		)	(16,139		)	(16,165		)
Net amortization and deferrals	1,385			5,203			2,772			10,406
Net periodic benefit cost	93			4,058			189			8,116
Defined contribution and other retirement plans	2,211			2,093			4,612			4,228
Total expense	$	2,304		$	6,151		$	4,801		$	12,344
Non-U.S. Plans	Three Months Ended June 30,						Six Months Ended June 30,
(DOLLARS IN THOUSANDS)	2016			2015			2016			2015
Service cost for benefits earned	$	3,863		$	4,102		$	7,638		$	8,485
Interest cost on projected benefit obligation	6,372			6,151			12,737			12,543
Expected return on plan assets	(11,985		)	(12,440		)	(23,934		)	(25,390		)
Net amortization and deferrals	3,286			3,314			6,550			6,801
Net periodic benefit cost	1,536			1,127			2,991			2,439
Defined contribution and other retirement plans	1,763			1,693			3,470			3,288
Total expense	$	3,299		$	2,820		$	6,461		$	5,727

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)	2016			2015			2016			2015
Service cost for benefits earned	$	214		$	301		$	429		$	601
Interest cost on projected benefit obligation	787			1,082			1,574			2,164
Net amortization and deferrals	(1,355		)	(712		)	(2,710		)	(1,423		)
Total postretirement benefit (income) expense	$	(354	)	$	671		$	(707	)	$	1,342