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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Tables) | 3 Months Ended
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Dec. 31, 2022
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Summary of Outstanding Derivative Contracts | The Company had the following outstanding commodity contracts that were entered into to hedge forecasted purchases:
Commodity |  | December 31, 2022 |  | January 1, 2022 |  | September 30, 2022
Urea |  | 27,000 tons |  | 58,500 tons |  | 54,000 tons
Diesel |  | 2,058,000 gallons |  | 4,662,000 gallons |  | 3,150,000 gallons
Heating Oil |  | 1,092,000 gallons |  | 2,184,000 gallons |  | 1,218,000 gallons
Schedule of the Fair Values of Derivative Instruments | The fair values of the Company’s derivative instruments, which represent Level 2 fair value measurements, were as follows:
|  |  |  | Assets / (Liabilities)
Derivatives Designated as Hedging Instruments |  | Balance Sheet Location |  | December 31, 2022 |  | January 1, 2022 |  | September 30, 2022
Interest rate swap agreements |  | Prepaid and other current assets |  | $ | 14.2 |  |  | $ | — |  |  | $ | 12.8 |
|  | Other assets |  | 16.1 |  |  | 5.2 |  |  | 18.2 |
|  | Other current liabilities |  | — |  |  | (4.3) |  |  | — |
|  | Other liabilities |  | — |  |  | (0.6) |  |  | — |
Commodity hedging instruments |  | Prepaid and other current assets |  | 0.3 |  |  | 9.6 |  |  | 2.4 |
|  | Other current liabilities |  | (2.4) |  |  | — |  |  | — |
Total derivatives designated as hedging instruments |  | $ | 28.2 |  |  | $ | 9.9 |  |  | $ | 33.4 |
Derivatives Not Designated as Hedging Instruments |  | Balance Sheet Location |  |  |  |  |  |
Currency forward contracts |  | Prepaid and other current assets |  | $ | 0.6 |  |  | $ | 1.1 |  |  | $ | 3.4 |
|  | Other current liabilities |  | (0.8) |  |  | (0.2) |  |  | — |
Commodity hedging instruments |  | Prepaid and other current assets |  | 0.7 |  |  | 1.2 |  |  | 0.4 |
Total derivatives not designated as hedging instruments |  | 0.5 |  |  | 2.1 |  |  | 3.8 |
Total derivatives |  | $ | 28.7 |  |  | $ | 12.0 |  |  | $ | 37.2 |
Schedule of the Effect of Derivative Instruments on AOCI and Statements of Operations | The effect of derivative instruments on AOCL, net of tax, and the Condensed Consolidated Statements of Operations for each of the periods presented was as follows:
Derivatives in Cash Flow Hedging Relationships |  | Amount of Gain / (Loss) Recognized in AOCL
| Three Months Ended |  |
| December 31, 2022 |  | January 1, 2022 |  |  |  |
Interest rate swap agreements |  | $ | 0.5 |  |  | $ | 2.8 |  |  |  |  |
Commodity hedging instruments |  | (5.3) |  |  | 6.8 |  |  |  |  |
Total |  | $ | (4.8) |  |  | $ | 9.6 |  |  |  |  |
Derivatives in Cash Flow Hedging Relationships |  | Reclassified from AOCL into Statement of Operations |  | Amount of Gain / (Loss)
Three Months Ended |  |
December 31, 2022 |  | January 1, 2022 |  |  |  |
Interest rate swap agreements |  | Interest expense |  | $ | 1.4 |  |  | $ | (0.8) |  |  |  |  |
Commodity hedging instruments |  | Cost of sales |  | 2.3 |  |  | 1.0 |  |  |  |  |
Total |  | $ | 3.7 |  |  | $ | 0.2 |  |  |  |  |
Derivatives Not Designated as Hedging Instruments |  | Recognized in Statement of Operations |  | Amount of Gain / (Loss)
Three Months Ended |  |
December 31, 2022 |  | January 1, 2022 |  |  |  |
Currency forward contracts |  | Other income / expense, net |  | $ | (11.3) |  |  | $ | 1.0 |  |  |  |  |
Commodity hedging instruments |  | Cost of sales |  | 1.5 |  |  | 0.6 |  |  |  |  |
Total |  | $ | (9.8) |  |  | $ | 1.6 |  |  |  |  |

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