XML 59 R16.htm IDEA: XBRL DOCUMENT  v2.3.0.11
RESEARCH AND DEVELOPMENT EXPENSES
9 Months Ended
Jul. 31, 2011
Research and Development [Abstract]  
Research, Development, and Computer Software Disclosure [Text Block]
9.      RESEARCH AND DEVELOPMENT EXPENSES

Cost of sales for the nine months ended July 31, 2011 and 2010 includes approximately $18.2 million and $16.5 million, respectively, of new product research and development expenses.  Cost of sales for the three months ended July 31, 2011 and 2010 includes approximately $6.5 million and $6.0 million, respectively, of new product research and development expenses.