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Income Taxes - Schedule of Tax Effects of Temporary Differences that Give Rise to Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions | Oct. 31, 2019 | Oct. 31, 2018
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Deferred tax assets: |  |
Accounts receivable, principally due to allowances for doubtful accounts | $ 3.6 | $ 4.0
Inventories | 3.5 | 3.8
Litigation settlements | 0.1 | 0.2
Accrued liabilities, reserves and compensation accruals | 55.1 | 38.8
Foreign deferred tax assets | 52.5 | 51.8
Restricted stock and stock option expenses | 26.1 | 25.6
Net operating loss carryforwards | 8.3 | 6.7
Intangible assets | 11.1 | 3.1
Research and experimental expenses - Section 59(e) | 2.5 | 2.5
Tax credit carryforwards | 1.3 | 1.3
Total gross deferred tax assets | 164.1 | 137.8
Less valuation allowance | (41.5) | (39.1)
Deferred tax assets | 122.6 | 98.7
Deferred tax liabilities: |  |
Tax deductible goodwill | (25.0) | (22.4)
Plant and equipment | (14.3) | (8.2)
Deferred tax on foreign earnings | (5.9) | (8.9)
Transaction costs | 0.7 | 0.5
Foreign deferred tax liabilities | (27.6) | (31.3)
Total gross deferred tax liabilities | (73.5) | (71.3)
Net deferred tax assets | $ 49.1 | $ 27.4

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