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Long-Term Debt (Tables)
6 Months Ended
Nov. 30, 2015
Debt Disclosure [Abstract]  
Schedule of long-term debt
Long-term debt consists of the following:
 
November 30, 2015
 
May 31, 2015
 
 
 
 
Senior credit facility
$
84,923

 
$
83,062

Notes payable
10,889

 
24,933

Other
5,906

 
5,464

Total debt
101,718

 
113,459

Less: Current portion
(13,772
)
 
(17,902
)
Long-term debt, net of current portion
$
87,946

 
$
95,557