Fair Value Measurements - Fair Value of Derivative Liabilities (Details) - USD ($) $ in Thousands	Jul. 31, 2024	Apr. 30, 2024
Interest rate swaps and collars \| Level 2 \| Fair Value, Measurements, Recurring
Fair Value Measurements
Derivative liabilities	$ 4,178	$ 11,260

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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