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Income Taxes Deferred Income Tax Asset and Liability Components (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Deferred income tax assets: |  |
Inventory | $ 32.4 | $ 31.9
Receivable allowances | 0.7 | 0.4
Warranty, chargeback, and self - insurance liabilities | 78.6 | 72.6
Other accrued liabilities | 32.7 | 30.7
Deferred compensation | 33.9 | 31.7
Stock-based compensation | 8.9 | 9.0
Lease liabilities | 159.6 | 162.9
Loss carryforwards—state | 19.1 | 22.7
Software development costs | 25.1 | 15.4
Other, net | 4.2 | 5.5
Total deferred income tax assets | 395.2 | 382.8
Valuation allowance | (8.3) | (7.1)
Deferred income tax assets, net of valuation allowance | 386.9 | 375.7
Deferred income tax liabilities: |  |
Long-lived assets (intangible assets and property) | (312.9) | (298.7)
Investments - unrealized appreciation | (1.1) | (2.8)
Right-of-use assets | (145.0) | (150.2)
Other, net | (11.0) | (9.0)
Total deferred income tax liabilities | (470.0) | (460.7)
Net deferred income tax liabilities | $ (83.1) | $ (85.0)

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