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Long-Term Debt - Credit Agreement (Details) $ in Millions |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jul. 31, 2023 | Oct. 31, 2019 USD ($) | Nov. 13, 2020 USD ($) | Oct. 31, 2020 USD ($) | Feb. 11, 2019 USD ($)
Debt Instrument [Line Items] |  |  |  |  |
Leverage ratio |  |  |  | 4.50 |
Amount outstanding under Prior Credit Agreement |  | $ 2,756.3 |  | $ 2,469.7 |
Current portion of long-term debt |  | 83.7 |  | 123.1 |
Long-term debt |  | 2,659.0 |  | 2,335.5 |
Secured Term Loan A-1 Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Amount of debt |  |  |  |  | $ 1,275.0
Multicurrency Facility | Revolving Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Credit facility borrowing capacity |  |  |  |  | 600.0
U.S. Dollar Facility | Revolving Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Credit facility borrowing capacity |  |  |  |  | 200.0
2019 Credit Agreement - Term Loans |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Amount outstanding under Prior Credit Agreement |  |  |  | 1,429.8 |
2019 Credit Agreement - Term Loans | Revolving Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Credit facility borrowing capacity |  |  |  |  | 800.0
Amount outstanding under Prior Credit Agreement |  | $ 76.1 |  | 0.0 |
Current portion of long-term debt |  |  |  | 123.1 |
Long-term debt |  |  |  | $ 1,306.7 |
Weighted average interest rate on the Prior Credit Agreement |  |  |  | 2.68% |
Actual interest rate on the Prior Credit Agreement |  |  |  | 1.96% |
Debt issuance costs |  |  |  | $ 6.1 |
2019 Credit Agreement - Term Loans | Term Loan |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuance costs |  |  |  | $ 8.5 |
Secured Term Loan A-2 Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Amount of debt |  |  |  |  | 400.0
Senior Note due 2019 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Amount of debt |  |  |  |  | $ 700.0
Secured Term Loan A-3 Facility | Subsequent Event |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Amount of debt |  |  | $ 225.0 |  |
Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Leverage ratio, adjusted EBITDA |  | 1.00 |  |  |
Interest coverage ratio, adjusted EBITDA |  | 1.00 |  |  |
Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Leverage ratio, adjusted EBITDA |  | 4.75 |  |  |
Interest coverage ratio, adjusted EBITDA |  | 3.00 |  |  |
Scenario, Forecast |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument covenant EBITDA | 0.25 |  |  |  |
Scenario, Forecast | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Leverage ratio, adjusted EBITDA | 4.00 |  |  |  |

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