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v3.19.2

Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Apr. 30, 2019 | Apr. 30, 2018
--- | --- | ---
Deferred tax assets: |  |
Accrued liabilities and reserves | $ 11,705 | $ 7,978
Property and equipment depreciation | 24,661 | 24,419
Workers compensation | 8,277 | 7,244
Deferred compensation | 3,827 | 3,846
Equity compensation | 6,727 | 7,158
Federal net operating losses | 0 | 2,769
State net operating losses & tax credits | 775 | 2,336
Other | 1,033 | 889
Total gross deferred tax assets | 57,005 | 56,639
Less valuation allowance | 47 | 47
Total net deferred tax assets | 56,958 | 56,592
Deferred tax liabilities: |  |
Property and equipment depreciation | (420,710) | (378,756)
Goodwill | (21,560) | (19,548)
Other | (476) | (234)
Total gross deferred tax liabilities | (442,746) | (398,538)
Net deferred tax liability | $ (385,788) | $ (341,946)

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