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Debt (Tables)
12 Months Ended
Jun. 30, 2012
Debt [Abstract]  
Availability under the senior credit facility
                 
    June 30,
2012
    June 30,
2011
 
    (In thousands)  

Senior credit facility

  $ 125,000     $ 75,000  

Capacity constraint due to the Senior Leverage Ratio

    9,662       —    
   

 

 

   

 

 

 

Capacity under the credit facility

    115,338       75,000  

Letters of credit issued

    8,499       7,484  
   

 

 

   

 

 

 

Availability under the senior credit facility

  $ 106,839     $ 67,516