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DERIVATIVES - Outstanding Swap Contracts (Details) - USD ($) $ in Millions | Oct. 31, 2020 | Aug. 03, 2015
--- | --- | ---
Derivative [Line Items] |  |
Derivative, notional amount | $ 1,486.0 |
Interest Rate Swap Due April 15, 2022 |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 100.0 |
Derivative, forward interest rate | 2.3645% |
Interest Rate Swap Due June 30, 2022 |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 100.0 |
Derivative, forward interest rate | 2.217% |
Interest Rate Swap Due June 30, 2022 |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 50.0 |
Derivative, forward interest rate | 2.184% |
Interest Rate Swap Due August 15, 2022 |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 36.0 |
Derivative, forward interest rate | 1.795% |
Interest Rate Swap Due October 31, 2022 |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 100.0 |
Derivative, forward interest rate | 2.8915% |
Interest Rate Swap Due October 31, 2022 |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 50.0 |
Derivative, forward interest rate | 2.4678% |
Interest Rate Swap Due October 31, 2022 |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 50.0 |
Derivative, forward interest rate | 2.5255% |
Interest Rate Swap Due March 31, 2023 |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 150.0 |
Derivative, forward interest rate | 2.895% |
Interest Rate Swap Due March 31, 2023 |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 50.0 |
Derivative, forward interest rate | 2.5292% |
Interest Rate Swap Due September 30, 2023 |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 50.0 |
Derivative, forward interest rate | 2.8315% |
Interest Rate Swap Due October 31, 2023 |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 100.0 |
Derivative, forward interest rate | 2.921% |
Interest Rate Swap Due March 28, 2024 |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 100.0 |
Derivative, forward interest rate | 2.477% |
Interest Rate Swap Due March 28, 2024 |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 100.0 |
Derivative, forward interest rate | 2.542% |
Interest Rate Swap Due October 31, 2024 |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 100.0 |
Derivative, forward interest rate | 2.848% |
Interest Rate Swap Due October 31, 2024 |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 100.0 |
Derivative, forward interest rate | 2.501% |
Interest Rate Swap Due October 31, 2024 |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 50.0 |
Derivative, forward interest rate | 2.521% |
Interest Rate Swap Due October 22, 2025 |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 50.0 |
Derivative, forward interest rate | 2.955% |
Interest Rate Swap Due October 22, 2025 |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 50.0 |
Derivative, forward interest rate | 2.959% |
Interest Rate Swap Due October 22, 2025 |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 50.0 |
Derivative, forward interest rate | 2.958% |
Interest Rate Swap Due October 22, 2025 |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 50.0 |
Derivative, forward interest rate | 2.5558% |
Interest Rate Swap |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 504.0 |
Quarterly notional principal reduction |  | $ 1.0

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