Retirement Benefits (Tables)

12 Months Ended

Dec. 31, 2011

Retirement Benefits [Abstract]

Defined Benefit Pension Plans

	U.S. Plans									Non-U.S. Plans
	2011			2010			2009			2011			2010			2009
	(Dollars in thousands)
Net periodic benefit cost:
Service cost	$	16		$	21		$	24		$	2,095		$	3,289		$	4,279
Interest cost		20,468			20,545			21,083			5,525			10,122			10,664
Expected return on plan assets		(20,601	)		(18,138	)		(15,437	)		(3,137	)		(6,908	)		(7,145)
Amortization of prior service cost (credit)		73			95			98			(142	)		(308	)		(401)
Amortization of net loss		10,315			12,630			15,794			620			753			1,047
Curtailment and settlement effects		—			—			—			23			6,371			(606)
Special termination benefits		—			—			—			3			38			46
Total net periodic benefit cost	$	10,271		$	15,153		$	21,562		$	4,987		$	13,357		$	7,884
Weighted-average assumptions:
Discount rate		5.85	%		6.20	%		6.74	%		5.51	%		5.88	%		5.85%
Rate of compensation increase		N/A			N/A			N/A			3.44	%		3.42	%		3.45%
Expected return on plan assets		8.50	%		8.50	%		8.50	%		5.60	%		5.28	%		5.24%

	U.S. Plans						Non-U.S. Plans
	2011			2010			2011			2010
	(Dollars in thousands)
Change in benefit obligation:
Benefit obligation at beginning of year	$	360,484		$	343,151		$	104,100		$	197,086
Service cost		16			21			2,095			3,289
Interest cost		20,468			20,545			5,525			10,122
Amendments		—			—			106			—
Curtailments		—			—			—			(2,966	)
Settlements		—			—			(723	)		(98,340	)
Special termination benefits		—			—			3			38
Plan participants’ contributions		—			—			228			329
Benefits paid		(20,785	)		(20,571	)		(3,781	)		(9,507	)
Actuarial loss		32,637			17,338			5,697			14,842
Exchange rate effect		—			—			(2,576	)		(10,793	)
Benefit obligation at end of year	$	392,820		$	360,484		$	110,674		$	104,100
Accumulated benefit obligation at end of year	$	392,820		$	360,484		$	103,571		$	98,198
Change in plan assets:
Fair value of plan assets at beginning of year	$	257,937		$	230,789		$	55,297		$	149,921
Actual return on plan assets		3,372			29,564			4,074			9,863
Employer contributions		21,191			18,155			8,502			10,441
Plan participants’ contributions		—			—			228			329
Benefits paid		(20,785	)		(20,571	)		(3,781	)		(9,507	)
Effect of settlements		—			—			(723	)		(97,491	)
Exchange rate effect		—			—			(1,043	)		(8,259	)
Fair value of plan assets at end of year	$	261,715		$	257,937		$	62,554		$	55,297
Amounts recognized in the balance sheet:
Other non-current assets	$	—		$	—		$	4,597		$	607
Accrued expenses and other current liabilities		(372	)		(373	)		(1,751	)		(1,832	)
Postretirement and pension liabilities		(130,733	)		(102,174	)		(50,966	)		(47,578	)
Funded status	$	(131,105	)	$	(102,547	)	$	(48,120	)	$	(48,803	)

	U.S. Plans						Non-U.S. Plans
	2011			2010			2011			2010
	(Dollars in thousands)
Weighted-average assumptions as of December 31:
Discount rate		5.10	%		5.85	%		5.01	%		5.51	%
Rate of compensation increase		N/A			N/A			3.03	%		3.44	%
Pension plans with benefit obligations in excess of plan assets:
Benefit obligations	$	392,820		$	360,484		$	79,392		$	101,819
Plan assets		261,715			257,937			26,675			52,409
Pension plans with accumulated benefit obligations in excess of plan assets:
Projected benefit obligations	$	392,820		$	360,484		$	76,375		$	99,261
Accumulated benefit obligations		392,820			360,484			70,106			94,151
Plan assets		261,715			257,937			24,041			49,928

	U.S. Plans						Non-U.S. Plans
	2011			2010			2011			2010
	(Dollars in thousands)
Balance at beginning of year	$	(119,784	)	$	(126,596	)	$	(13,377	)	$	(12,180	)
Net loss arising during the year		(49,866	)		(5,913	)		(4,759	)		(9,830	)
Prior service cost arising during the year		—			—			(106	)		—
Amounts recognized as net periodic benefit costs		10,388			12,725			501			7,724
Exchange rate effects		—			—			518			909
Balance at end of year	$	(159,262	)	$	(119,784	)	$	(17,223	)	$	(13,377	)
Amounts recognized in accumulated other comprehensive income (loss):
Net loss	$	(159,159	)	$	(119,608	)	$	(18,177	)	$	(14,363	)
Prior service (cost) credit		(103	)		(176	)		954			986
Total	$	(159,262	)	$	(119,784	)	$	(17,223	)	$	(13,377	)
Estimated amounts to be amortized in 2012:
Net loss	$	(16,055	)				$	(767	)
Prior service (cost) credit		(48	)					140
Total	$	(16,103	)				$	(627	)

Fair value of pension plan assets

	Level 1		Level 2		Level 3		Total
	(Dollars in thousands)
U.S. plans:
Fixed income:
Cash and cash equivalents	$	4,569	$	—	$	—	$	4,569
Guaranteed deposits		—		2,456		—		2,456
Mutual funds		76,360		—		—		76,360
Commingled funds		—		1,286		647		1,933
Equities:
U.S. common stocks		60,082		—		—		60,082
Commingled funds		—		116,315		—		116,315
Total	$	141,011	$	120,057	$	647	$	261,715
Non-U.S. plans:
Fixed income:
Cash and cash equivalents	$	728	$	—	$	—	$	728
Guaranteed deposits		—		20,371		—		20,371
Mutual funds		572		—		—		572
Commingled funds		—		20,319		—		20,319
Other		3,046		—		—		3,046
Equities:
Mutual funds		334		—		—		334
Commingled funds		—		15,884		—		15,884
Real estate		—		—		831		831
Other assets		106		—		363		469
Total	$	4,786	$	56,574	$	1,194	$	62,554

	Level 1		Level 2		Level 3		Total
	(Dollars in thousands)
U.S. plans:
Fixed income:
Cash and cash equivalents	$	8,792	$	—	$	—	$	8,792
Guaranteed deposits		—		2,620		—		2,620
Mutual funds		63,758		—		—		63,758
Commingled funds		—		1,353		602		1,955
Equities:
U.S. common stocks		117,391		—		—		117,391
Commingled funds		—		63,421		—		63,421
Total	$	189,941	$	67,394	$	602	$	257,937
Non-U.S. plans:
Fixed income:
Cash and cash equivalents	$	2,735	$	—	$	—	$	2,735
Guaranteed deposits		—		19,584		—		19,584
Mutual funds		254		—		—		254
Commingled funds		—		15,653		—		15,653
Other		3,065		—		—		3,065
Equities:
Mutual funds		386		—		—		386
Commingled funds		—		12,486		—		12,486
Real estate		—		—		679		679
Other assets		103		—		352		455
Total	$	6,543	$	47,723	$	1,031	$	55,297

Future pension benefit payments

	U.S. Plans		Non-U.S. Plans
	(Dollars in thousands)
2012	$	21,524	$	4,758
2013		22,075		5,056
2014		22,665		5,235
2015		22,958		4,875
2016		23,294		5,560
2017-2021		123,789		32,813

Postretirement Health Care and Life Insurance Benefit Plans

	2011			2010			2009
	(Dollars in thousands)
Net periodic benefit cost:
Service cost	$	—		$	—		$	14
Interest cost		1,929			2,426			2,877
Amortization of prior service credit		(401	)		(1,395	)		(1,748	)
Amortization of net gain		(639	)		(171	)		—
Curtailment and settlement effects		—			—			(626	)
Total net periodic benefit cost	$	889		$	860		$	517
Weighted-average assumptions:
Discount rate		5.45	%		5.85	%		6.45	%
Current trend rate for health care costs		7.90	%		8.10	%		8.70	%
Ultimate trend rate for health care costs		4.50	%		4.50	%		5.20	%
Year that ultimate trend rate is reached		2028			2028			2018

	2011			2010
	(Dollars in thousands)
Change in benefit obligation:
Benefit obligation at beginning of year	$	37,193		$	43,827
Interest cost		1,929			2,426
Amendments		—			200
Benefits paid		(2,152	)		(3,305	)
Actuarial gain		(2,684	)		(5,955	)
Benefit obligation at end of year	$	34,286		$	37,193
Change in plan assets:
Fair value of plan assets at beginning of year	$	—		$	—
Employer contributions		2,152			3,305
Benefits paid		(2,152	)		(3,305	)
Fair value of plan assets at end of year	$	—		$	—
Amounts recognized in the balance sheet:
Accrued expenses and other current liabilities	$	(3,247	)	$	(3,590	)
Postretirement and pension liabilities		(31,039	)		(33,603	)
Funded status	$	(34,286	)	$	(37,193	)
Weighted-average assumptions as of December 31:
Discount rate		4.85	%		5.45	%
Current trend rate for health care costs		7.70	%		7.90	%
Ultimate trend rate for health care costs		4.50	%		4.50	%
Year that ultimate trend rate is reached		2028			2028

	1-Percentage- Point Increase		1-Percentage- Point Decrease
	(Dollars in thousands)
Effect on total of service and interest cost components	$	125	$	(110	)
Effect on postretirement benefit obligation		2,190		(1,924	)

	2011			2010
	(Dollars in thousands)
Balance at beginning of year	$	14,231		$	10,042
Net gain arising during the year		2,684			5,955
Prior service cost arising during the year		—			(200	)
Amounts recognized as net periodic benefit costs		(1,040	)		(1,566	)
Balance at end of year	$	15,875		$	14,231
Amounts recognized in accumulated other comprehensive income:
Net gain	$	14,615		$	12,570
Prior service credit		1,260			1,661
Total	$	15,875		$	14,231
Estimated amounts to be amortized in 2012:
Net gain	$	921
Prior service credit		130
Total	$	1,051

Future postretirement health care and life insurance benefit payments

	Before Medicare Subsidy		After Medicare Subsidy
	(Dollars in thousands)
2012	$	3,247	$	2,888
2013		3,153		2,794
2014		3,052		2,700
2015		2,945		2,600
2016		2,838		2,505
2017-2021		12,395		10,956