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Stock Plans (Tables) | 12 Months Ended
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Oct. 31, 2019
Share-based Payment Arrangement [Abstract] |
Schedule of compensation expense and related income tax benefit for share-based awards | The compensation cost and related tax benefit recognized in our consolidated financial statements for share-based awards were as follows:
October 31, |  |  |
(In millions) | 2019 |  | 2018 |  | 2017
Selling, general and administrative expense | $ | 28.7 |  |  | $ | 37.6 |  |  | $ | 33.1 |
Cost of sales | 4.7 |  |  | 3.6 |  |  | 2.8 |
Research and development expense | 2.9 |  |  | 2.0 |  |  | 1.3 |
Total compensation expense | $ | 36.3 |  |  | $ | 43.2 |  |  | $ | 37.2 |
Related income tax benefit | $ | 5.1 |  |  | $ | 8.8 |  |  | $ | 11.4 |
Schedule of assumptions used in estimating fair value of stock options award granted |
Years Ended October 31, | 2019 |  | 2018 |  | 2017
Expected life | 4.4 years |  |  | 5.4 years |  |  | 5.5 years |
Expected volatility | 22.0 | % |  | 23.0 | % |  | 24.5 | %
Risk-free interest rate | 2.9 | % |  | 2.0 | % |  | 1.2 | %
Dividend yield | 0.02 | % |  | 0.03 | % |  | 0.03 | %
Schedule of stock option plans | The activity and status of our stock option plans are summarized below:
| Number of Shares |  | Weighted- Average Exercise Price Per Share |  | Weighted- Average Remaining Contractual Term (in years) |  | Aggregate Intrinsic Value
Outstanding at October 31, 2018 | 1,086,998 |  |  | $ | 160.31 |  |  |  |  |
Granted | 198,232 |  |  | $ | 254.77 |  |  |  |  |
Exercised | (235,988 | ) |  | $ | 126.23 |  |  |  |  |
Forfeited or expired | (24,490 | ) |  | $ | 168.14 |  |  |  |  |
Outstanding at October 31, 2019 | 1,024,752 |  |  | $ | 186.24 |  |  | 6.51 |  |
Vested and expected to vest at October 31, 2019 | 982,685 |  |  | $ | 184.31 |  |  | 6.42 |  | $ | 104,843,305 |
Vested and exercisable at October 31, 2019 | 335,551 |  |  | $ | 145.32 |  |  | 4.98 |  | $ | 48,882,775 |
Schedule of non-vested RSUs | The status of our non-vested RSUs is summarized below:
| Number of Shares |  | Weighted- Average Grant Date Fair Value Per Share
Non-vested RSUs at October 31, 2018 | 489,161 |  |  | $ | 179.67 |
Granted | 155,310 |  |  | $ | 258.37 |
Vested and issued | (168,294 | ) |  | $ | 168.12 |
Forfeited or expired | (46,606 | ) |  | $ | 197.51 |
Non-vested RSUs at October 31, 2019 | 429,571 |  |  | $ | 210.72 |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + 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=116856206&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=116856206&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + 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 (c)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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 (d) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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 (f)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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