Employee Benefits (Pension And Other Defined Contribution Retirement Plan Expenses) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost for benefits earned	$ 938	$ 864
Interest cost on projected benefit obligation	6,002	6,007
Expected return on plan assets	(6,041)	(6,269)
Net amortization and deferrals	4,913	2,822
Net periodic benefit cost	5,812	3,424
Defined contribution and other retirement plans	1,889	1,890
Total expense	7,701	5,314
Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost for benefits earned	3,194	2,612
Interest cost on projected benefit obligation	7,822	8,522
Expected return on plan assets	(11,488)	(11,345)
Net amortization and deferrals	1,614	1,352
Loss due to settlements and special terminations	456
Net periodic benefit cost	1,598	1,141
Defined contribution and other retirement plans	1,251	1,403
Total expense	$ 2,849	$ 2,544