Annual report pursuant to Section 13 and 15(d)

Basic and Diluted Earnings Per Share Basic and Diluted Earnings Per Share (Details Textual)

v2.4.0.8
Basic and Diluted Earnings Per Share Basic and Diluted Earnings Per Share (Details Textual) (USD $)
In Millions, unless otherwise specified
12 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended
May 31, 2014
Oct. 31, 2012
Share Repurchase Program 1 [Member]
May 31, 2014
Share Repurchase Program 1 [Member]
May 31, 2014
Share Repurchase Program 2 [Member]
Equity, Class of Treasury Stock [Line Items]        
Stock Repurchased and Retired During Period, Shares     6.2  
Share Repurchase Program, Authorized Amount   $ 350   $ 350
Stock Repurchased and Retired During Period, Value $ 249.7   $ 249.7