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Derivative Financial Instruments and Risk Management - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Oct. 31, 2020
Aug. 01, 2020
Oct. 31, 2020
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Interest Rate Swap Termination     $ 45,000
Cash Flow Hedging [Member]      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Cash paid termination of swaps   $ 700,000  
Cross Currency Interest Rate Contract [Member]      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Amount of gain reclassify from Accumulated OCI into loss during next 12 months     $ (100,000)
Interest Rate Swap Termination $ 200,000    
Cross Currency Interest Rate Contract [Member] | Cash Flow Hedging [Member]      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Amount of Gain Reclassified from Accumulated OCI into Income (Expense) $ 58,000