Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Tables)

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Commitments and Contingencies (Tables)
6 Months Ended
Nov. 30, 2012
Commitments and Contingencies Disclosure [Abstract]  
Lines of credit facility unused borrowing capacity
As of November 30, 2012, the Company had unused borrowing capacity available under four uncommitted, secured, short-term lines of credit at market rates of interest with financial institutions as follows:
Financial institution
Amount available
Expiration date
JP Morgan Chase Bank, N.A.
$350 million
February 2013
Bank of America, N.A.
$250 million
February 2013
PNC Bank, National Association
$150 million
February 2013
Wells Fargo Bank, National Association
$150 million
February 2013