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Fair Value Of Financial Instruments (Tables)
3 Months Ended
Sep. 30, 2012
Fair Value Of Financial Instruments [Abstract]  
Fair Value Of Assets And Liabilities Measured On Recurring Basis
        September 30,   June 30,
  Financial Statement Fair Value   2012   2012
Description of Financial Instrument Classification Hierarchy Fair Value
Non-COLI assets held in connection Long-term asset Level 1 $ 6,059 $ 6,123
with the Supplemental Savings Plan            
Contingent Consideration Current liability Level 3 $ 3,193 $ 3,055
Contingent Consideration Other long-term Level 3 $ 3,076 $ 2,942
  liabilities          
Interest rate swap agreements Other long-term Level 2 $ 3,169 $ 2,196
  liabilities