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, 2011	Dec. 31, 2010
Defined Benefit Plan Disclosure [Line Items]
Noncurrent liabilities	$ (124,058)	$ (95,922)
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	(263)	(462)
Noncurrent liabilities	(3,050)	(2,851)
Net amount recognized	(3,313)	(3,313)
U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Net amount recognized	(118,356)	(92,400)
U.S. [Member] | Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	(3,884)	(3,630)
Noncurrent liabilities	(114,472)	(88,770)
Net amount recognized	(118,356)	(92,400)
Non-U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Net amount recognized	(6,535)	(4,303)
Non-U.S. [Member] | Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Current liabilities
Noncurrent liabilities	(6,536)	(4,303)
Net amount recognized	$ (6,536)	$ (4,303)