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v3.24.3

Income Taxes - Deferred tax (Details) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2022
Deferred tax assets: |  |  |
Compensation and benefit accruals not currently deductible | $ 85.4 | $ 92.2 |
Net operating loss carryforwards | 107.5 | 102.3 |
Self-insurance reserves | 38.3 | 23.2 |
Research and experimentation and other tax credits | 67.1 | 43.1 |
Pension liability | 34.9 | 44.7 |
Accrued liabilities | 265.7 | 295.1 |
Capital loss carryforward | 49.5 | 64.0 |
Partnership investment | 22.3 | 102.0 |
Other | 8.2 | 7.1 |
Total deferred tax assets | 678.9 | 773.7 |
Deferred tax liabilities: |  |  |
Unearned revenue | (4.1) | (7.0) |
Depreciation and amortization | (83.7) | (13.1) |
Acquired intangible assets |  | (5.4) |
Investment in subsidiaries | (9.9) | (10.7) |
Right of use assets | (85.2) | (94.0) |
Contingent consideration | (30.5) | (34.2) |
Other | (5.4) | (15.5) |
Total deferred tax liabilities | (218.8) | (179.9) |
Valuation allowance | (160.9) | (171.2) |
Net deferred tax assets | 299.2 | 422.6 |
Income Taxes, additional disclosures |  |  |
Net operating loss carryforwards | 744.6 | 757.5 |
Gross tax asset exclusive of tax liabilities realizable | 518.0 |  |
Increase (decrease) in valuation allowance | (10.3) |  |
Gross book-tax differences from non-U.S. subsidiaries | 1,200.0 |  |
Liability for unrecognized tax benefits, including potential interest and penalties, net of related tax benefit | 97.9 | 79.5 |
Unrecognized tax benefits | 81.3 | 62.1 | $ 55.2
Unrecognized tax benefits that would be included in the effective tax rate if recognized | 77.1 |  |
ACAP investment sale |  |  |
Deferred tax liabilities: |  |  |
Valuation allowance | (9.3) |  |
Income Taxes, additional disclosures |  |  |
Increase (decrease) in valuation allowance | (21.0) |  |
Capital losses |  |  |
Income Taxes, additional disclosures |  |  |
Increase (decrease) in valuation allowance | (10.4) |  |
Foreign net operating losses and currency translation adjustments |  |  |
Income Taxes, additional disclosures |  |  |
Increase (decrease) in valuation allowance | 12.3 |  |
State net operating losses and credits |  |  |
Income Taxes, additional disclosures |  |  |
Increase (decrease) in valuation allowance | (0.6) |  |
UNITED STATES | ACAP investment sale |  |  |
Income Taxes, additional disclosures |  |  |
Increase (decrease) in valuation allowance | (11.7) |  |
Capital loss carryforwards |  |  |
Income Taxes, additional disclosures |  |  |
Tax credit carryforward | 181.2 | $ 199.4 |
Other credits |  |  |
Income Taxes, additional disclosures |  |  |
Tax credit carryforward | 9.7 |  |
Federal | Research and development credits |  |  |
Income Taxes, additional disclosures |  |  |
Tax credit carryforward | 28.4 |  |
State | Research and development credits |  |  |
Income Taxes, additional disclosures |  |  |
Tax credit carryforward | 27.8 |  |
Foreign | Research and development credits |  |  |
Income Taxes, additional disclosures |  |  |
Tax credit carryforward | $ 4.6 |  |

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