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Income Taxes - Schedule of Components of Net Deferred Income Taxes (Details) - USD ($) $ in Millions | Aug. 31, 2021 | Aug. 31, 2020
--- | --- | ---
Deferred income tax liabilities: |  |
Depreciation | $ (19.0) | $ (23.3)
Goodwill and intangibles | (155.2) | (153.1)
Operating lease right of use asset | (14.3) | (15.6)
Other liabilities | (8.2) | (5.3)
Total deferred income tax liabilities | (196.7) | (197.3)
Deferred income tax assets: |  |
Self-insurance | 1.8 | 2.1
Pension | 9.9 | 22.2
Deferred compensation | 21.3 | 22.2
Net operating losses | 5.4 | 5.6
Other accruals not yet deductible | 41.3 | 32.0
Operating lease liabilities | 15.4 | 18.2
Other assets | 12.0 | 9.3
Total deferred income tax assets | 107.1 | 111.6
Valuation allowance | (9.5) | (6.5)
Net deferred income tax liabilities | $ (99.1) | $ (92.2)

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