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Lines of Credit and Long-term Debt - Summary of Principal Payments on All Long-term Debt Obligations, Including Capital Leases Due (Detail) (USD $)
In Thousands, unless otherwise specified
Oct. 31, 2012
Oct. 31, 2011
Scheduled Principal Payments For Borrowings [Line Items]    
2013 $ 36,794  
2014 60,934  
2015 400,510  
2016 999  
2017     
Thereafter 258,732  
Debt $ 757,969 $ 747,686