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POST RETIREMENT BENEFIT PLANS - Additional Information (Details) $ in Millions |  | 9 Months Ended
--- | --- | ---
Dec. 31, 2019 USD ($) plan | Jul. 31, 2020 USD ($) plan | Jul. 31, 2019 USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Company's pension contributions |  | $ 27.0 | $ 19.7
United States | Pension Plans, Defined Benefit |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Number of plans | plan | 2 | 2 |
Employer contributions during period |  | $ 44.3 |
Decrease for settlement |  | 44.3 |
Gain on settlement |  | $ 0.1 |
Obligation period decrease | $ 19.0 |  |
Plan assets, decrease | $ 9.3 |  |
Defined benefit plan, assumptions used, discount rate |  | 3.38% |
Expected long term return on assets |  | 5.00% |

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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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