XML 50 R21.htm IDEA: XBRL DOCUMENT v2.4.0.6
Supplemental Cash Flow Information (Tables)
 9 Months Ended
Feb. 29, 2012
Supplemental Cash Flow Information  
Schedule of supplemental cash flow information

 

 

 

Nine Months Ended

 

 

 

February 29,

 

 

 

2012

 

2011

 

Interest paid

 

$

11,920

 

$

11,117

 

Income taxes paid

 

8,519

 

9,074

 

Income tax refunds received

 

5,112

 

3,876