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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Tables) | 12 Months Ended
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Sep. 30, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of Outstanding Commodity Contracts that Hedge Forecasted Purchases | The Company had the following outstanding commodity contracts that were entered into to hedge forecasted purchases:
| September 30,
| 2021 |  | 2020
Commodity |  |  |
Urea | 94,500 tons |  | 76,500 tons
Resin | — pounds |  | 9,100,000 pounds
Diesel | 5,880,000 gallons |  | 5,838,000 gallons
Heating Oil | 2,268,000 gallons |  | 2,142,000 gallons
Summary of Fair Values of the Company's Derivative Instruments | The fair values of the Company’s derivative instruments, which represent Level 2 fair value measurements, were as follows:
|  |  |  | Assets / (Liabilities)
|  |  |  | 2021 |  | 2020
Derivatives Designated As Hedging Instruments |  | Balance Sheet Location |  | Fair Value
Interest rate swap agreements |  | Other assets |  | $ | 3.3 |  |  | $ | — |
|  | Other current liabilities |  | (5.7) |  |  | (10.4) |
|  | Other liabilities |  | (2.5) |  |  | (9.7) |
Commodity hedging instruments |  | Prepaid and other current assets |  | 13.9 |  |  | 0.9 |
|  | Other current liabilities |  | — |  |  | (0.7) |
Total derivatives designated as hedging instruments |  | $ | 9.0 |  |  | $ | (19.9) |
Derivatives Not Designated As Hedging Instruments |  | Balance Sheet Location |  |  |  |
Currency forward contracts |  | Prepaid and other current assets |  | $ | 3.4 |  |  | $ | 0.5 |
|  | Other current liabilities |  | (0.2) |  |  | (1.9) |
Commodity hedging instruments |  | Prepaid and other current assets |  | 1.3 |  |  | — |
|  | Other current liabilities |  | — |  |  | (0.9) |
Total derivatives not designated as hedging instruments |  | 4.5 |  |  | (2.3) |
Total derivatives |  | $ | 13.5 |  |  | $ | (22.2) |
Schedule of the Effect of Derivative Instruments on AOCI and Operations | The effect of derivative instruments on AOCL, net of tax, and the Consolidated Statements of Operations for the years ended September 30 was as follows:
|  | Amount Of Gain / (Loss) Recognized In AOCL
Derivatives In Cash Flow Hedging Relationships |  | 2021 |  | 2020
Interest rate swap agreements |  | $ | 3.4 |  |  | $ | (13.3) |
Commodity hedging instruments |  | 16.4 |  |  | (1.3) |
Total |  | $ | 19.8 |  |  | $ | (14.6) |
|  | Reclassified From AOCL Into |  | Amount Of Gain / (Loss)
Derivatives In Cash Flow Hedging Relationships |  | Statement Of Operations |  | 2021 |  | 2020
Interest rate swap agreements |  | Interest expense |  | $ | (7.7) |  |  | $ | (6.6) |
Commodity hedging instruments |  | Cost of sales |  | 2.3 |  |  | (0.9) |
Total |  | $ | (5.4) |  |  | $ | (7.5) |
|  | Recognized In |  | Amount Of Gain / (Loss)
Derivatives Not Designated As Hedging Instruments |  | Statement of Operations |  | 2021 |  | 2020
Currency forward contracts |  | Other income / expense, net |  | $ | (4.2) |  |  | $ | (5.3) |
Commodity hedging instruments |  | Cost of sales |  | 4.5 |  |  | (3.1) |
Total |  | $ | 0.3 |  |  | $ | (8.4) |

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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4E -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624181-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 + Details
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