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Summary of Significant Accounting Policies (Details) - USD ($)
Mar. 27, 2020
Apr. 30, 2020
Nov. 01, 2019
Oct. 31, 2019
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]        
Foreign currency translation items included in accumulated other comprehensive income (loss)   $ (4,248,000)   $ (2,362,000)
Pension liability items included in accumulated other comprehensive loss (income)   4,558,000   4,753,000
Available for sale items included in accumulated other comprehensive income (loss)       (140,000)
Receivables/other from related parties   6,276,000   2,985,000
Accounts receivable, net   20,659,000   15,114,000
Payables to related parties   3,819,000   906,000
Accrued liabilities   6,503,000   8,261,000
Operating lease ROU assets   2,187,000    
Operating lease liabilities   $ 2,233,000    
ASU 2016-02        
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]        
Operating lease ROU assets     $ 2,400,000  
Operating lease liabilities     $ 2,500,000  
COVID-19        
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]        
Income tax expense (benefit) $ (1,380,000)      
Federal refund $ 4,924,000      
Reclassification Adjustment        
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]        
Receivables/other from related parties       2,985,000
Accounts receivable, net       (2,985,000)
Payables to related parties       906,000
Accrued liabilities       $ (906,000)