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v3.10.0.1

Components of Net Deferred Taxes (Detail) - USD ($) $ in Thousands | Sep. 30, 2018 | Sep. 30, 2017
--- | --- | ---
Deferred tax assets: |  |
Net operating loss carryforwards | $ 6,647 | $ 5,374
Vacation accrual | 2,658 | 3,542
Pension accrual | 4,425 | 7,455
Allowance for bad debts | 2,226 | 2,166
Insurance accrual | 2,425 | 19,914
Inventory capitalization | 350 | 895
Other, net | 1,382 | 2,242
Total deferred tax assets | 20,113 | 41,588
Valuation allowance | (3,980) | (3,168)
Net deferred tax assets | 16,133 | 38,420
Deferred tax liabilities: |  |
Property and equipment | 9,783 | 8,001
Fair value of derivative instruments | 4,673 | 1,683
Intangibles | 22,883 | 34,876
Total deferred tax liabilities | 37,339 | 44,560
Net deferred tax liabilities | $ (21,206) | $ (6,140)

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