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Debt - Long-term debt (Details)
$ in Thousands
Apr. 30, 2021
USD ($)
Long-term debt  
Total debt $ 200,000
Less current portion 10,000
Total long-term debt, less current portion 190,000
Total long-term debt, net of unamortized debt issuance costs - term loans 187,512
Term loans  
Long-term debt  
Total debt 200,000
Less unamortized debt issuance costs 2,488
Revolving credit facility  
Long-term debt  
Less unamortized debt issuance costs $ 1,244