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Employee Savings Plan | 12 Months Ended
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Apr. 30, 2020
Employee Savings Plan |
Employee Savings Plan | 10. Employee Savings Plan ​ The Company has an employee 401(k) savings plan covering all eligible employees. The Company expensed approximately $4,744,000, $3,961,000 and $2,953,000 in contributions to the plan for the years ended April 30, 2020, 2019 and 2018, respectively.

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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