Shareholders' Equity (Components Of Accumulated Other Comprehensive Loss) (Details) (USD $)	Sep. 30, 2013		Dec. 31, 2012
Stockholders' Equity Note [Abstract]
Cumulative foreign currency translation adjustment	$ (15,655,000)		$ (15,667,000)
Unrealized loss on hedges, net	(9,847,000)	[1]
Accumulated other comprehensive loss	(25,502,000)		(15,667,000)
Deferred Tax Assets, Other Comprehensive Loss	$ 5,300,000

[1] Amount at September 30, 2013 is related to foreign currency hedges for the Grand Canyon, the Grand Canyon II and the Grand Canyon III as well as interest rate swap contracts we entered into in September 2013, and is net of deferred income taxes totaling $5.3 million (Notes 7 and 16).