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CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (UNAUDITED) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Apr. 30, 2020
Apr. 30, 2019
Apr. 30, 2020
Apr. 30, 2019
Statement of Other Comprehensive Income [Abstract]        
Minimum pension liability adjustment, tax $ 50 $ 28 $ 27 $ 55