Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Tables)

v2.4.0.6
Commitments and Contingencies (Tables)
6 Months Ended
Nov. 30, 2011
Commitments and Contingencies [Abstract]  
Lines of credit
                 

Financial institution

  Amount
available
    Expiration date  
     

JP Morgan Chase Bank, N.A.

  $ 350 million       February 2012  

Bank of America, N.A.

  $ 250 million       February 2012  

PNC Bank, National Association

  $ 150 million       February 2012  

Wells Fargo Bank, National Association

  $ 150 million       February 2012