Annual report pursuant to Section 13 and 15(d)

Goodwill (Details Textual)

v2.4.0.6
Goodwill (Details Textual) (USD $)
In Millions, unless otherwise specified
 1 Months Ended 12 Months Ended 13 Months Ended
Jan. 31, 2011
Mar. 31, 2009
Feb. 29, 2012
Feb. 28, 2011
Feb. 29, 2012
Goodwill (Textual)          
Purchase accounting allocations     $ 9.3    
Transaction value of business sold including post-closing adjustments 267.7 336.4      
Cash proceeds from the sale of business   276.4     193.7
Note receivable from divestiture of business   60.0      
Net gain (loss)     2.1 55.2 57.3
Additional gain (loss) recognized     (1.6) 28.5  
Percentage of business sold 80.10%        
Cash divested         15.8
Direct cost paid including post-closing adjustments         11.4
Post-closing adjustments paid         18.5
Investment ownership description less than 20%        
Net gain on derivative instrument related to divestiture       20.8  
Net gains (losses) on CWAE Divestiture and related activities     0.5 83.7 84.2
CWNA [Member]
          
Goodwill (Textual)          
Purchase accounting allocations     $ 9.3