XML 86 R30.htm IDEA: XBRL DOCUMENT v2.4.0.8
Employee Benefit And Retirement Plans-Additional Information (Details) (USD $)
In Millions, unless otherwise specified
6 Months Ended 12 Months Ended
May 31, 2013
May 31, 2012
Nov. 30, 2012
Compensation and Retirement Disclosure [Abstract]      
Pension Contributions $ 37.7 $ 54.7 $ 104.3