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DEBT - Components of Long-Term Debt (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Sep. 30, 2022 | Jan. 01, 2022 | Aug. 13, 2021 | Mar. 17, 2021 | Oct. 22, 2019 | Dec. 15, 2016
--- | --- | --- | --- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt | $ 3,427.3 | $ 2,992.1 | $ 3,263.0 |  |  |  |
Less current portions | 216.8 | 144.3 | 160.7 |  |  |  |
Long-term debt | 3,189.6 | 2,826.2 | 3,082.2 |  |  |  |
Credit Facilities | Revolving loans |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt | 681.5 | 300.5 | 856.5 |  |  |  |
Credit Facilities | Term loans |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt | $ 962.5 | $ 975.0 | $ 660.0 |  |  |  |
Senior Notes | 4.000% Senior Notes Due 2031 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate of debt (percentage) | 4.00% | 4.00% | 4.00% |  | 4.00% |  |
Total debt | $ 500.0 | $ 500.0 | $ 500.0 |  |  |  |
Senior Notes | 4.375% Senior Notes Due 2032 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate of debt (percentage) | 4.375% | 4.375% | 4.375% | 4.375% |  |  |
Total debt | $ 400.0 | $ 400.0 | $ 400.0 |  |  |  |
Senior Notes | 4.500% Senior Notes Due 2029 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate of debt (percentage) | 4.50% | 4.50% | 4.50% |  |  | 4.50% |
Total debt | $ 450.0 | $ 450.0 | $ 450.0 |  |  |  |
Senior Notes | 5.250% Senior Notes Due 2026 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate of debt (percentage) | 5.25% | 5.25% | 5.25% |  |  |  | 5.25%
Total debt | $ 250.0 | $ 250.0 | $ 250.0 |  |  |  |
Receivables Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt | 161.0 | 75.0 | 94.0 |  |  |  |
Finance lease obligations |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt | 18.5 | 28.9 | 31.9 |  |  |  |
Other |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt | 3.8 | 12.7 | 20.6 |  |  |  |
Long-term debt |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Less unamortized debt issuance costs | $ 20.9 | $ 21.6 | $ 20.1 |  |  |  |

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