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Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions | Oct. 31, 2019 | Oct. 31, 2018
--- | --- | ---
Deferred tax assets attributable to: |  |
Self-insurance claims (net of recoverables) | $ 83.6 | $ 83.5
Deferred and other compensation | 25.6 | 22.7
Accounts receivable allowances | 5.6 | 6.5
Settlement liabilities | 3.1 | 3.3
Other accruals | 1.8 | (0.3)
Other comprehensive income | 0.5 | (5.7)
State taxes | 0.4 | 0.5
State net operating loss carryforwards | 11.2 | 15.9
Federal net operating loss carryforwards | 0.0 | 5.4
Tax credits | 6.3 | 21.7
Unrecognized tax benefits | 3.0 | 2.4
Other | 0.0 | 1.7
Gross deferred tax assets | 141.2 | 157.6
Valuation allowance | (8.4) | (12.0)
Total deferred tax assets | 132.8 | 145.7
Deferred tax liabilities attributable to: |  |
Property, plant and equipment | (4.8) | (4.2)
Goodwill and other acquired intangibles | (170.6) | (179.2)
Other | (5.2) | 0.0
Total deferred tax liabilities | (180.6) | (183.4)
Net deferred tax liabilities | $ (47.7) | $ (37.8)

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