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Fair Value Measurements of Other Financial Instruments (Tables)
3 Months Ended
Jan. 31, 2017
Fair Value Measurements Of Other Financial Instruments Disclosure Table [Abstract]  
Summary of the carrying amounts and estimated fair values of financial instruments not carried at fair value whose fair value is required to be disclosed
  January 31, 2017October 31, 2016
 (in thousands) Carrying Value Fair ValueFair Value Level Carrying Value Fair ValueFair Value Level
 Loan to affiliate$ 5,000$ 5,0003$ 5,000$ 5,0003
 Investments, other$ 19,034$ 19,0343$ 19,034$ 19,0343
 Other assets$ 6,367$ 4,4493$ 6,194$ 4,3283
 Debt$ 571,946$ 590,2262$ 571,773$ 603,6252