XML 26 R35.htm IDEA: XBRL DOCUMENT v2.4.0.6
Other Events (Details Textual) (USD $)
1 Months Ended 9 Months Ended
Dec. 31, 2011
Jul. 31, 2012
Jul. 31, 2011
Other events (Textual) [Abstract]      
Dividend payment $ 0.55    
Dividend aggregate amount $ 8,100,000 $ 8,124,000 $ 8,099,000
Dividend paid date   Dec. 12, 2011  
Amount of assessment related to allegations recorded as income tax expense net   $ 1,700,000