Pension (Projected Benefit Obligation and Fair Value of Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Defined Benefit Pension Plans and SERP
Change in projected benefit obligation:
Benefit obligation, beginning of year	$ 384,679	$ 363,053
Service cost (benefits earned during the period)	7,706	7,044	6,944
Interest cost on projected benefit obligation	20,352	21,038	20,453
Exchange rate fluctuations	3,727	(5,044)
Actuarial (gain) loss	54,649	16,000
Plan participants' contributions	1,087	1,184
Plan amendments	0	(499)
Curtailment charge	(5,711)	0
Settlement charge	(275)	0
Benefits paid	(32,622)	(18,097)
Benefit obligation, end of year	433,592	384,679	363,053
Change in fair value of plan assets:
Fair value of plan assets, beginning of year	274,029	257,969
Actual return on plan assets	36,270	7,399
Exchange rate fluctuations	1,323	(1,361)
Employer contributions	102,179	26,935
Plan participants' contributions	1,087	1,184
Settlements paid	(13,244)	(728)
Benefits paid	(19,378)	(17,369)
Fair value of plan assets, end of year	382,266	274,029	257,969
Funded status of plan:
Funded ratio	88.20%	71.20%
Funded status and net accrued pension benefit cost	(51,326)	(110,650)
U.S. Plans
Change in projected benefit obligation:
Benefit obligation, beginning of year	315,689	289,725
Service cost (benefits earned during the period)	5,957	5,491	5,341
Interest cost on projected benefit obligation	15,398	16,057	15,896
Exchange rate fluctuations	0	0
Actuarial (gain) loss	34,426	18,499
Plan participants' contributions	0	0
Plan amendments	0	0
Curtailment charge	(5,711)	0
Settlement charge	(275)	0
Benefits paid	(27,351)	(14,083)
Benefit obligation, end of year	338,133	315,689	289,725
Change in fair value of plan assets:
Fair value of plan assets, beginning of year	221,025	206,087
Actual return on plan assets	30,348	7,041
Exchange rate fluctuations	0	0
Employer contributions	92,804	21,980
Plan participants' contributions	0	0
Settlements paid	(12,552)	0
Benefits paid	(14,799)	(14,083)
Fair value of plan assets, end of year	316,826	221,025	206,087
Funded status of plan:
Funded ratio	93.70%	70.00%
Funded status and net accrued pension benefit cost	(21,307)	(94,664)
Non-U.S. Plans
Change in projected benefit obligation:
Benefit obligation, beginning of year	68,990	73,328
Service cost (benefits earned during the period)	1,749	1,553	1,603
Interest cost on projected benefit obligation	4,954	4,981	4,557
Exchange rate fluctuations	3,727	(5,044)
Actuarial (gain) loss	20,223	(2,499)
Plan participants' contributions	1,087	1,184
Plan amendments	0	(499)
Curtailment charge	0	0
Settlement charge	0	0
Benefits paid	(5,271)	(4,014)
Benefit obligation, end of year	95,459	68,990	73,328
Change in fair value of plan assets:
Fair value of plan assets, beginning of year	53,004	51,882
Actual return on plan assets	5,922	358
Exchange rate fluctuations	1,323	(1,361)
Employer contributions	9,375	4,955
Plan participants' contributions	1,087	1,184
Settlements paid	(692)	(728)
Benefits paid	(4,579)	(3,286)
Fair value of plan assets, end of year	65,440	53,004	51,882
Funded status of plan:
Funded ratio	68.60%	76.80%
Funded status and net accrued pension benefit cost	$ (30,019)	$ (15,986)