XML 39 R73.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Stock Compensation Plan (Narrative) (Details) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended 12 Months Ended
Jul. 31, 2011
Jul. 31, 2010
Jul. 31, 2009
Jul. 31, 2011
Maximum [Member]
Jul. 31, 2011
Minimum [Member]
Jul. 31, 2012
Expected to be Recognized in 2011 [Member]
Scenario, Forecast [Member]
Jul. 31, 2013
Expected to be Recognized in 2012 [Member]
Scenario, Forecast [Member]
Jul. 31, 2014
Expected to be Recognized in 2013 [Member]
Scenario, Forecast [Member]
Jul. 31, 2011
Scenario, Forecast [Member]
Jul. 31, 2011
Stock Appreciation Rights (SARs) [Member]
Jul. 31, 2010
Stock Appreciation Rights (SARs) [Member]
Jul. 31, 2009
Stock Appreciation Rights (SARs) [Member]
Jul. 31, 2011
Restricted Stock Units (RSUs) [Member]
Jul. 31, 2010
Restricted Stock Units (RSUs) [Member]
Jul. 31, 2009
Restricted Stock Units (RSUs) [Member]
Shares issued for stock based compensation 7,500,000                            
Stock based compensation award vesting period maximum ten                            
Stock based compensation award vesting period three                            
Stock based compensation, shares available for grant 3,000,000                            
Stock based compensation, estimated forfeiture rates       20.10% 17.70%                    
Weighted-average grant-date fair value                   $ 13.84 $ 13.70 $ 10.34 $ 37.03 $ 36.11 $ 26.83
Intrinsic value of options and SARs exercised                   $ 2.0 $ 0.7 $ 0.3      
Options and SARs that vested during the period 288,000 241,000 315,000                        
Total fair value of options vested during the period 0.7 0.6 1.5                        
Stock based compensation, restricted shares granted                         201,000 136,000 397,000
Stock based compensation, restricted shares vested 143,000 135,000 137,000                        
Stock based compensation, total fair value of restricted shares 5.9 4.9 3.1                        
Total unrecognized compensation expense           8.0 4.4 0.7 13.1            
Cash received from exercise of stock option 1.1 0.5 0.6                        
Tax benefit from exercise of stock options $ 2.5 $ 2.1 $ 1.6