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Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Deferred tax assets: |  |
Deferred revenue and cancellation reserves | $ 64.2 | $ 48.4
Allowances and accruals, including state tax carryforward amounts | 55.6 | 42.1
Lease liability | 73.4 | 69.7
Credits and other | 3.4 | 0.3
Valuation allowance | (1.1) | (0.6)
Total deferred tax assets | 195.5 | 159.9
Deferred tax liabilities: |  |
Inventories | (44.9) | (40.0)
Goodwill | (76.5) | (60.7)
Property and equipment, principally due to differences in depreciation | (139.0) | (113.6)
Right-of-use assets | (69.8) | (66.6)
Prepaid expenses and other | (11.6) | (10.1)
Total deferred tax liabilities | (341.8) | (291.0)
Total | $ (146.3) | $ (131.1)

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