Pension And Other Postretirement Benefit Plans (Amounts Pertaining To Pension Plans And Other Postretirement Benefits Recognized On Consolidated Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Noncurrent liabilities	$ (125,546)	$ (124,058)
Other Postretirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	211	263
Noncurrent liabilities	2,526	3,050
Net amount recognized	(2,737)	(3,313)
U.S. Defined Benefit Plans | Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	(3,995)	(3,884)
Noncurrent liabilities	(117,126)	(114,472)
Net amount recognized	(121,121)	(118,356)
Non U.S. Defined Benefit Plans | Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	0	0
Noncurrent liabilities	(5,894)	(6,535)
Net amount recognized	$ (5,894)	$ (6,535)