Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation Plans (Details 4)

v2.4.0.8
Stock-Based Compensation Plans (Details 4) (Performance Stock Options [Member], USD $)
In Millions, except Per Share data, unless otherwise specified
 12 Months Ended
May 31, 2013
Performance Stock Options [Member]
  
Performance stock option activity  
Options outstanding, Beginning balance, Shares 2.6
Options outstanding, Beginning balance, Weighted-average exercise price per share $ 30.80
Options granted 0.2
Options granted, Weighted-average exercise price per share $ 32.99
Options exercised 0
Options exercised, Weighted-average exercise price per share $ 0
Options forfeited (0.1)
Options forfeited, Weighted-average exercise price per share $ 31.63
Options expired 0
Options expired, Weighted-average exercise price per share $ 0
Options outstanding, Ending balance, Shares 2.7
Options outstanding, Ending balance, Weighted-average exercise price per share $ 30.95
Options outstanding, Ending balance, Weighted-average remaining contractual term 8 years 3 months 19 days
Options outstanding, Ending balance, Aggregate intrinsic value $ 16.8
Options exercisable, Ending balance, Shares 0
Options exercisable, Ending balance, Weighted-average exercise price per share $ 0
Options exercisable, Ending balance, Weighted-average remaining contractual term 0 years
Options exercisable, Ending balance, Aggregate intrinsic value $ 0