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Long-Term Debt (Schedule Of Maturities Of Long-term Debt) (Details) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2013
Long-Term Debt [Abstract]
Remainder of 2013	$ 286
2014	1,104
2015	1,081
2016	15,743
Long-term Debt, Total	$ 18,214

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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