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v3.23.3

DEBT AND FINANCING ARRANGEMENTS - Narrative (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2023 USD ($) | Sep. 30, 2023 EUR (€) | Sep. 30, 2022 USD ($) | Sep. 30, 2022 EUR (€)
Debt Instrument [Line Items] |  |  |  |
Other borrowings | $ 790,180,000 |  | $ 798,568,000 |
Receivables Purchase Agreement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Facility limit | 125,000,000 |  |  |
Gain (loss) on sale of financing receivable | 0 |  |  |
Receivables sold to purchasers | 101,800,000 |  | 96,590,000 |
Unsold receivables | 57,897,000 |  | $ 44,262,000 |
Principal amount of receivables sold | 55,159,000 |  |  |
Factored accounts receivable, outstanding | $ 18,045,000 |  |  |
Line of Credit | March 2020 Debt Amendment |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Weighted-average interest rate on outstanding borrowings (as a percent) | 5.95% | 5.95% | 3.13% | 3.13%
2025 Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt issued | $ 299,625,000 |  |  |
Fixed interest rate (as a percent) | 5.25% | 5.25% |  |
Debt issuance costs | $ 1,125,000 |  | $ 1,664,000 |
Other borrowings | $ 298,500,000 |  | $ 297,961,000 |
Other borrowings |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Weighted-average interest rate on outstanding borrowings (as a percent) | 2.95% | 2.95% | 1.85% | 1.85%
Other borrowings | $ 19,241,000 |  | $ 13,434,000 |
Revolving Credit Facility | March 2020 Debt Amendment |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum borrowing amount drawn In foreign currency | 350,000,000 |  |  |
Unamortized costs | $ 949,000 |  | 1,522,000 |
Revolving Credit Facility | March 2020 Debt Amendment | SOFR |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Rate spread adjustment (as a percent) | 0.10% |  |  |
Interest rate during period (as a percent) | 1.25% |  |  |
Revolving Credit Facility | March 2020 Debt Amendment | Minimum | SOFR |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Variable interest rate (as a percent) | 0.75% |  |  |
Revolving Credit Facility | March 2020 Debt Amendment | Minimum | LIBOR |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Variable interest rate (as a percent) | 0.75% |  |  |
Revolving Credit Facility | March 2020 Debt Amendment | Maximum | SOFR |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Variable interest rate (as a percent) | 2.00% |  |  |
Revolving Credit Facility | March 2020 Debt Amendment | Maximum | LIBOR |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Variable interest rate (as a percent) | 2.00% |  |  |
Revolving Credit Facility | Line of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Other borrowings | $ 463,168,000 |  | 480,107,000 |
Revolving Credit Facility | Line of Credit | March 2020 Debt Amendment |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum amount of borrowings available | $ 750,000,000 |  |  |
Revolving Credit Facility | Line of Credit | March 2020 Debt Amendment | Minimum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Annual commitment fee range on unused portion | 0.15% |  |  |
Revolving Credit Facility | Line of Credit | March 2020 Debt Amendment | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Annual commitment fee range on unused portion | 0.30% |  |  |
Standby Letters of Credit | Line of Credit | March 2020 Debt Amendment |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum amount of borrowings available | $ 55,000,000 |  |  |
Foreign Line of Credit | Credit Facility With European Bank |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum amount of borrowings available | 10,576,000 | € 10,000,000 |  |
Outstanding borrowings |  | 0 | $ 8,050,000 | € 8,200,000
Weighted-average interest rate on outstanding borrowings (as a percent) |  |  | 2.25% | 2.25%
Foreign Line of Credit | Bank Guarantees | Credit Facility With European Bank |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum amount of borrowings available | $ 19,566,000 | € 18,500,000 |  |

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