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Acquisitions - Allocation of Purchase Price (Details) - USD ($) $ in Thousands | Apr. 30, 2019 | Apr. 30, 2018
--- | --- | ---
Liabilities assumed: |  |
Goodwill | $ 157,223 | $ 140,258
Series of Individually Immaterial Business Acquisitions |  |
Assets acquired: |  |
Inventories | 1,724 |
Property and equipment | 49,698 |
Total assets | 51,422 |
Liabilities assumed: |  |
Accrued expenses | 187 |
Total liabilities | 187 |
Net tangible assets acquired | 51,235 |
Goodwill | 16,965 |
Total consideration paid | $ 68,200 |

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