Other Accounts Receivable (Schedule Of Other Accounts Receivable) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Other Accounts Receivable [Abstract]
Value added tax/consumption tax	$ 16,236	$ 15,040
Other	19,963	18,732
Total	$ 36,199	$ 33,772