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Business, Basis of Presentation and Summary of Significant Accounting Policies (Tables)
9 Months Ended
Jan. 31, 2021
Business, Basis of Presentation and Summary of Significant Accounting Policies  
Schedule of medical self-insurance liabilities and recoveries

January 31, 

April 30, 

2021

    

2020

(in thousands)

Medical self‑insurance

$

3,778

$

3,770

General liability, automobile and workers’ compensation

20,520

19,410

Expected recoveries for insurance liabilities

 

(7,813)

 

(6,037)