XML 43 R56.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Summary of Significant Unobservable Inputs Used to Determine Fair Value Long-Lived Assets Held and Used (Details) - USD ($)
3 Months Ended
Jan. 31, 2020
Jan. 31, 2019
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)    
Impairment of Long-Lived Assets Held-for-use $ 0 $ 0
Non-cash asset impairment charges 100,000 2,100,000
Level 3    
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)    
Non-cash asset impairment charges 100,000 2,100,000
Level 3 | Machinery and Equipment    
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)    
Impairment of Long-Lived Assets Held-for-use $ 100,000  
Level 3 | Indicative Bids | Land and Building    
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)    
Impairment of Net Assets Held for Sale   $ 2,100,000