XML 54 R36.htm IDEA: XBRL DOCUMENT v2.4.0.8
Basis of Presentation (Details) (USD $)
In Millions, unless otherwise specified
9 Months Ended
Feb. 28, 2014
Feb. 28, 2013
May 31, 2013
Accounting Policies [Abstract]      
Payments to Acquire Buildings $ 253.9 $ 0  
Restricted Cash (in Dollars) $ 0.5 $ 1.6 $ 1.0