XML 71 R66.htm IDEA: XBRL DOCUMENT v2.4.0.8
Revenues and Total Assets in United States and Other Countries (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Aug. 31, 2014
Aug. 31, 2013
May 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total Revenues $ 188,121 $ 174,311  
Total Assets 480,399   484,941
United States
     
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total Revenues 138,064 123,805  
Total Assets 349,486   353,624
Canada
     
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total Revenues 32,076 32,928  
Total Assets 69,542   68,515
Europe
     
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total Revenues 10,446 8,433  
Total Assets 39,082   38,870
Other Foreign Countries
     
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total Revenues 7,535 9,145  
Total Assets $ 22,289   $ 23,932