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Fair Value Measurement (Details) (Fair Value Inputs Level 2, USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Jun. 30, 2012
Fair Value Inputs Level 2
   
Fair Value Measurements [Line Items]    
Debt, carrying amount $ 6,135 $ 6,414
Debt, fair value $ 6,135 $ 6,414