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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Tables) | 6 Months Ended
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Apr. 30, 2019
Fair Value Disclosures [Abstract] |
Recurring Fair Value Measurements | The following table presents the fair value for those assets and (liabilities) measured on a recurring basis as of April 30, 2019 and October 31, 2018:
| April 30, 2019 |  |
| Fair Value Measurement |  |
(in millions) | Level 1 |  | Level 2 |  | Level 3 |  | Total |  | Balance Sheet Location
Interest rate derivatives | $ | — |  |  | $ | 7.9 |  |  | $ | — |  |  | $ | 7.9 |  |  | Other current assets and other long-term assets
Interest rate derivatives | — |  |  | (8.0 | ) |  | — |  |  | (8.0 | ) |  | Other current liabilities and other long-term liabilities
Foreign exchange hedges | — |  |  | 2.4 |  |  | — |  |  | 2.4 |  |  | Other current assets
Foreign exchange hedges | — |  |  | (0.6 | ) |  | — |  |  | (0.6 | ) |  | Other current liabilities
Insurance annuity | — |  |  | — |  |  | 20.0 |  |  | 20.0 |  |  | Other long-term assets
Cross currency swap | — |  |  | 8.1 |  |  | — |  |  | 8.1 |  |  | Other current assets and other long-term assets
Total | $ | — |  |  | $ | 9.8 |  |  | $ | 20.0 |  |  | $ | 29.8 |  |  |
| October 31, 2018 |  |
| Fair Value Measurement |  |
(in millions) | Level 1 |  | Level 2 |  | Level 3 |  | Total |  | Balance Sheet Location
Interest rate derivatives | $ | — |  |  | $ | 16.5 |  |  | $ | — |  |  | $ | 16.5 |  |  | Other current assets and other long-term assets
Foreign exchange hedges | — |  |  | 2.6 |  |  | — |  |  | 2.6 |  |  | Other current assets
Foreign exchange hedges | — |  |  | (0.7 | ) |  | — |  |  | (0.7 | ) |  | Other current liabilities
Insurance annuity | — |  |  | — |  |  | 20.4 |  |  | 20.4 |  |  | Other long-term assets
Cross currency swap | — |  |  | 5.2 |  |  | — |  |  | 5.2 |  |  | Other current assets and other long-term assets
Total | $ | — |  |  | $ | 23.6 |  |  | $ | 20.4 |  |  | $ | 44.0 |  |  |
Estimated Fair Values for the Company's Senior Notes and Assets Held by Special Purpose Entities | The following table presents the estimated fair values of the Company’s Senior Notes and assets held by special purpose entities:
(in millions) | April 30, 2019 |  | October 31, 2018
Senior Notes due 2019 estimated fair value | $ | — |  |  | $ | 257.4 |
Senior Notes due 2021 estimated fair value | $ | 254.8 |  |  | $ | 263.4 |
Senior Notes due 2027 estimated fair value | 517.1 |  |  | — |
Assets held by special purpose entities estimated fair value | 51.8 |  |  | 51.6 |
Summary of Quantitative about Significant Unobservable Inputs Used to Determine Fair Value of Impairment of Long-Lived Assets Held and Used and Net Assets Held for Sale | The following table presents quantitative information about the significant unobservable inputs used to determine the fair value of the impairment of long-lived assets held and used and net assets held for sale for the six months ended April 30, 2019 and 2018:
| Quantitative Information about Level 3 Fair Value Measurements
(in millions) | Fair Value of Impairment |  | Valuation Technique |  | Unobservable Input |  | Range of Input Values
April 30, 2019 |  |  |  |  |  |  |
Impairment of Net Assets Held for Sale | $ | 2.1 |  |  | Indicative Bids |  | Indicative Bids |  | N/A
Total | $ | 2.1 |  |  |  |  |  |  |
April 30, 2018 |  |  |  |  |  |  |
Impairment of Net Assets Held for Sale | $ | 0.4 |  |  | Discounted Cash Flows |  | Discounted Cash Flows |  | N/A
Impairment of Long Lived Assets | $ | 2.9 |  |  | Discounted Cash Flows |  | Discounted Cash Flows |  | N/A
Total | $ | 3.3 |  |  |  |  |  |  |

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- Definition Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19190-110258 + Details
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