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Future Minimum Annual Long-term Debt Obligations (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Long-term Debt, Fiscal Year Maturity [Abstract]
FY 2013	$ 2,013
FY 2014	1,623
FY 2015	1,666
FY 2016	1,280
Long-term debt	$ 6,582

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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