Notes Payable (Schedule Of Future Principal Loan Payments) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
2013	$ 75,538
2014	33,009
2015	3,500
2016	21,000
2017	7,500
Thereafter	27,913
Total future principal loan payments	168,460	196,597
Australia And New Zealand [Member]
Debt Instrument [Line Items]
Total future principal loan payments	$ 79,800

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year.

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-Publisher FASB

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-Subparagraph b

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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