XML 18 R6.htm IDEA: XBRL DOCUMENT v2.4.0.6
Condensed Consolidated Statement Of Shareholders' Equity (Parenthetical) (USD $)
3 Months Ended
Jan. 31, 2012
Jan. 31, 2011
Condensed Consolidated Statement Of Shareholders' Equity [Abstract]    
Cash dividends declared per common share $ 0.015 $ 0.01