XML 57 R51.htm IDEA: XBRL DOCUMENT v2.4.0.8
Subsequent Events (Narrative) (Details) (USD $)
3 Months Ended 6 Months Ended 0 Months Ended
Feb. 28, 2014
Feb. 28, 2013
Feb. 28, 2014
Feb. 28, 2013
Mar. 25, 2014
Subsequent Events [Member]
Subsequent Event [Line Items]          
Cash dividend declared $ 0.34 $ 0.31 $ 0.65 $ 0.60 $ 0.34
Dividend payable date         Apr. 30, 2014
Dividend payable record date         Apr. 11, 2014