XML 23 R79.htm IDEA: XBRL DOCUMENT v3.2.0.727
Segments and Entity Wide Disclosures (Details 2) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jul. 31, 2015
Jul. 31, 2014
Jul. 31, 2015
Jul. 31, 2014
Customer Concentration Risk | Sales Revenue, Goods, Net | ATT        
Revenue, Major Customer [Line Items]        
Revenue $ 121.6 $ 130.3 $ 355.6 $ 351.3