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Income Taxes - Tax Provision (Benefit), Reconciliation, and Tax Rates (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Tax Disclosure [Abstract] |  |  |
United States | $ (59.1) | $ (63.6) | $ (152.3)
Foreign | 296.4 | 248.5 | 131.2
Income (loss) before income taxes | 237.3 | 184.9 | (21.1)
Current: |  |  |
U.S. federal statutory tax | (4.0) | 8.2 | 94.6
State | 1.6 | (1.6) | 5.6
Foreign | 35.9 | 46.3 | 34.2
Total current income tax provision (benefit) | 33.5 | 52.9 | 134.4
Deferred: |  |  |
U.S. federal statutory tax | 11.0 | 4.0 | 15.1
State | 4.6 | (6.2) | 8.9
Foreign | (12.2) | (1.0) | (10.0)
Total deferred income (loss) before income taxes | 3.4 | 3.2 | 13.9
Non-current tax expense (income) | 19.3 | 6.2 | 0.9
Income tax provision | $ 56.2 | $ 55.9 | $ 149.2
Reconciliation of U.S. federal statutory income tax rate to effective income tax rate |  |  |
U.S. federal statutory tax rate | 21.00% | 21.00% | 35.00%
Foreign earnings, net of foreign taxes | (13.80%) | (11.60%) | 245.40%
State income taxes, net of U.S. federal income tax benefit | 2.20% | (3.30%) | (51.80%)
U.S. tax on deemed dividends | 0.90% | (0.40%) | (14.00%)
Tax Act - Transition Tax | 0.005 | 0.007 | (7.043)
Tax Reform - GILTI | 6.00% | 9.70% | 0.00%
Tax Reform - BEAT | 0.10% | 2.80% | 0.00%
Deferred tax impact on foreign unrepatriated earnings | 0.50% | (1.00%) | (65.50%)
Goodwill impairment | 0.00% | 0.00% | (81.50%)
Uncertain tax positions | 8.20% | 3.40% | (4.10%)
Foreign currency adjustments | (6.10%) | 2.20% | (0.70%)
Intercompany interest transfer pricing adjustment | 1.40% | 1.50% | 0.00%
Tax authority settlements | 0.00% | 0.00% | (10.00%)
Nontaxable interest income | (2.30%) | (2.70%) | 36.90%
Nondeductible interest expense | 1.80% | 0.00% | (12.60%)
Valuation allowance | 1.20% | 3.00% | (19.60%)
Other permanent differences | 2.40% | 5.00% | (60.40%)
Effective income tax rate | 23.70% | 30.20% | (707.10%)
Effective income tax rate | 23.70% | 30.20% | (707.10%)
Provision for income taxes | $ 56.2 | $ 55.9 | $ 149.2
Transition tax toll charge on historic accumulated foreign earnings |  | $ 143.7 | $ 143.7
Provisional undistributed accumulated earnings of foreign subsidiary | 923.9 |  |
Foreign withholding tax, if undistributed earnings are no reinvested indefinitely | 203.3 |  |
Accumulated foreign earnings deemed repatriated | 1,300.0 |  |
Provisional estimate of the associated foreign withholding and state income tax effects | $ 12.0 |  |
Without transition tax toll charge |  |  |
Reconciliation of U.S. federal statutory income tax rate to effective income tax rate |  |  |
Effective income tax rate |  | (25.90%) | (25.90%)
Effective income tax rate |  | (25.90%) | (25.90%)

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