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Variable Interest Entity (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jul. 31, 2018
Jan. 31, 2018
Jul. 31, 2017
Jul. 31, 2018
Jul. 31, 2017
Losses incurred $ 12,350   $ 8,810 $ 33,611 $ 27,004
Equity Investment [Member]          
Maximum Loss Exposure 28,400     28,400  
Debt Agreements [Member]          
Maximum Loss Exposure 12,000     12,000  
Variable Interest Entity, Not Primary Beneficiary [Member]          
Other income     $ 500   $ 100
Non-cash losses incurred   $ 3,500      
Capital Account Balance $ 10,000     $ 10,000  
FreshRealm [Member] | Variable Interest Entity, Not Primary Beneficiary [Member]          
Losses incurred   $ (7,100)