Shareholders' Equity (Components Of Accumulated Other Comprehensive Loss) (Details) (USD $)	Dec. 31, 2011		Dec. 31, 2010
Shareholders' Equity [Abstract]
Cumulative foreign currency translation adjustment	$ (22,958,000)		$ (21,956,000)
Unrealized losses on hedges, net	12,941,000	[1]	(17,102,000)	[1]
Accumulated other comprehensive loss	(10,017,000)		(39,058,000)
Deferred income tax asset (liabilities), net	$ 7,000,000		$ (9,200,000)

[1] Amounts are net of deferred income tax asset (liabilities) totaling $7.0 million and $(9.2) million at December 31, 2011 and 2010, respectively.