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Fair Value Measurements of Other Financial Instruments (Tables)
3 Months Ended
Jan. 31, 2013
Fair Value Measurements Of Other Financial Instruments Disclosure Table [Abstract]  
Summary of the carrying amounts and estimated fair values of other financial instruments
  January 31, 2013  October 31, 2012 
(in thousands) Carrying Value Fair ValueFair Value level Carrying Value Fair ValueFair Value level
Investments, other$ 7,470$ 7,4703$ 7,470$ 7,4703
Other assets$ 8,312$ 8,3123$ 8,307$ 8,3073
Debt$ 500,000$ 598,3311$ 500,000$ 604,3161