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Share-Based Compensation Plans (Tables) | 6 Months Ended
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Apr. 30, 2019
Share-based Compensation [Abstract] |
Schedule of Compensation Expense and Related Income Tax Benefit for Share-Based Awards | The compensation expense and related income tax benefit recognized in our consolidated condensed financial statements for share-based awards were as follows:
Periods Ended April 30, | Three Months |  | Six Months
(In millions) | 2019 |  | 2018 |  | 2019 |  | 2018
Selling, general and administrative expense | $ | 6.1 |  |  | $ | 12.8 |  |  | $ | 15.3 |  |  | $ | 23.6 |
Cost of sales | 1.4 |  |  | 0.3 |  |  | 2.9 |  |  | 1.6 |
Research and development expense | 0.9 |  |  | 0.5 |  |  | 1.9 |  |  | 1.1 |
Total share-based compensation expense | $ | 8.4 |  |  | $ | 13.6 |  |  | $ | 20.1 |  |  | $ | 26.3 |
Related income tax benefit | $ | 1.1 |  |  | $ | 3.1 |  |  | $ | 2.9 |  |  | $ | 5.6 |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 + Details
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