XML 108 R62.htm IDEA: XBRL DOCUMENT v2.4.0.8
Condensed Consolidating Financial Information - 2015 Notes - Additional Information (Detail) (USD $)
Jul. 31, 2013
Oct. 31, 2012
Condensed Financial Statements, Captions [Line Items]    
Long term debt $ 1,259,414,000 $ 757,969,000
Percentage of ownership owned by parent in guarantor subsidiaries 100.00%  
Senior Notes 2015 [Member]
   
Condensed Financial Statements, Captions [Line Items]    
Long term debt 400,000,000  
Long term debt including accrued interest $ 409,000,000