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Debt (Tables)
12 Months Ended
May 31, 2014
Debt Disclosure [Abstract]  
Schedule of debt
The following table summarizes debt as of May 31: 
 
Carrying
Value
 
Fair
Value
 
Carrying
Value
 
Fair
Value
 
2014
 
2013
Loan Agreement:
 

 
 

 
 

 
 

Revolving Loan (interest rate of 1.3%)
$
120.0

 
$
120.0

 
$

 
$

Unsecured Lines of Credit (weighted average interest
    rates of 2.3% and 9.0%, respectively)
$
15.8

 
$
15.8

 
$
2.0

 
$
2.0

Total debt
$
135.8


$
135.8


$
2.0


$
2.0

Less lines of credit and current portion of long-term
   debt
(15.8
)
 
(15.8
)
 
(2.0
)
 
(2.0
)
Total long-term debt
$
120.0


$
120.0


$


$

Schedule of maturities of long-term debt
The following table sets forth the maturities of the carrying values of the Company’s debt obligations as of May 31, 2014 for the fiscal years ending May 31: 
2015
$
15.8

2016

2017

2018
120.0

2019

Thereafter

Total debt
$
135.8