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Income Taxes - Principal Components of Deferred Tax Items (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Deferred tax assets related to: |  |
Reserves, accrued expenses and employee-related items | $ 13.6 | $ 22.9
Lease liabilities | 21.2 | 23.8
Tax attribute carryovers | 28.0 | 30.2
Intangibles, property and equipment | 11.8 | 15.1
Other | 8.9 | 8.6
Valuation allowance | (17.8) | (18.6)
Total deferred tax assets | 65.7 | 82.0
Deferred tax liabilities related to: |  |
Intangibles, property and equipment | 218.6 | 218.0
Lease right-of-use assets | 13.8 | 15.8
Prepaid pension costs |  | 7.8
Outside basis difference in Business Solutions | 17.9 |
Other | 7.4 | 14.2
Total deferred tax liabilities | 257.7 | 255.8
Net deferred tax liability | $ 192.0 | $ 173.8

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