Other Current Assets (Schedule Of Other Current Assets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011		Dec. 31, 2010
Other Current Assets [Abstract]
Deferred income taxes-current	$ 9,383	[1]	$ 4,689	[1]
Income tax receivables	8,303		10,274
Prepaid expenses	45,452		39,715
Total	$ 63,138		$ 54,678

[1] See Note 18, "Income Taxes."