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Fair Value Measurements Textual (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Jun. 30, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Carrying amount of long-term debt $ 600,000 $ 640,000
Fair value of long-term debt $ 663,178 $ 742,165