Quarterly report pursuant to Section 13 or 15(d)

Goodwill And Other Intangible Assets (Narrative) (Details)

v2.4.0.6
Goodwill And Other Intangible Assets (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 6 Months Ended
Feb. 29, 2012
Feb. 28, 2011
Feb. 29, 2012
Feb. 28, 2011
Goodwill And Other Intangible Assets [Abstract]        
Amortization expense of intangible assets $ 7.1 $ 6.9 $ 14.3 $ 13.0
Future amortization expense, remainder of fiscal year 2012     14.7  
Future amortization expense, 2013     27.7  
Future amortization expense, 2014     26.0  
Future amortization expense, 2015     26.0  
Future amortization expense, 2016     25.8  
Future amortization expense, thereafter     $ 178.4