Pension And Other Postretirement Benefits (Schedule Of Pension And Postretirement Benefit Plans) (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended					12 Months Ended
	Mar. 31, 2011	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2011 Pension [Member]		Dec. 31, 2010 Pension [Member]		Dec. 31, 2011 Other Benefits [Member]	Dec. 31, 2010 Other Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation, beginning of year						$ 354,125		$ 332,002		$ 55,522	$ 57,027
Service cost						2,297		2,584		479	871
Interest cost						17,284		18,633		2,054	2,777
Amendments								32
Actuarial loss (gain)						65,636		20,758		5,047	(1,718)
Divestiture of businesses	24,400					(28,568)				(10,361)
Currency translation						200		(2,005)
Benefits paid						(15,507)		(15,964)		(3,466)	(3,692)
Medicare Part D reimbursement										233	257
Settlements						(173)		(444)
Administrative costs						(1,463)		(1,419)
Curtailments						(37)	[1]	(52)	[1]
Projected benefit obligation, end of year						393,794		354,125		49,508	55,522
Balance at beginning of year		243,324	[2]	261,934	[2]	261,934		218,122
Actual return on plan assets						11,419		29,931
Contributions						6,451		32,085
Divestiture of businesses	7,400					(19,619)
Settlements paid						(173)		(389)
Currency translation						282		(432)
Balance at end of year		243,324	[2]	261,934	[2]	243,324		261,934
Funded status, end of year						$ (150,470)		$ (92,191)		$ (49,508)	$ (55,522)

[1] All periods have been adjusted to remove amounts related to discontinued operations.

[2] Information on asset categories described in notes (b)-(f) is derived from prospectuses and other material provided by the respective funds comprising the respective asset categories.