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Borrowings (Schedule Of Maturities Of Debt) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Borrowings [Abstract]
Three to four years	$ 5,000
Four to five years	21,000
Total long-term debt	$ 26,000	$ 26,000

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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