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Income Taxes - Schedule of Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017
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Deferred tax assets: |  |
Deferred compensation plans | $ 5.8 | $ 6.5
Deferred income | 5.6 | 4.7
Allowance for uncollectible receivables | 0.9 | 0.8
Deferred liabilities | 2.2 | 2.1
Net operating losses and credit carryforward | 3.7 | 5.1
Deferred tax assets | 18.2 | 19.2
Valuation allowance | (0.2) | (0.2)
Net deferred tax asset | 18.0 | 19.0
Deferred tax liabilities: |  |
Intangible assets in excess of tax basis | 49.3 | 29.2
Property and equipment in excess of tax basis | 38.7 | 22.4
Equity investments in excess of tax basis | 6.9 | 6.8
Other | 1.3 | 1.2
Deferred tax liabilities | 96.2 | 59.6
Net deferred tax liability | $ (78.2) | $ (40.6)

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