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Income Taxes, Provision for Income Taxes (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
U.S. Federal [Abstract] |  |  |
Current | $ 1.3 | $ 30.3 | $ 11.1
Deferred | (11.1) | 17.8 | 30.3
Total U.S. Federal | (9.8) | 48.1 | 41.4
State and Local [Abstract] |  |  |
Current | 8.2 | 5.3 | 6.5
Deferred | (4.0) | 1.9 | 0.3
Total State and Local | 4.2 | 7.2 | 6.8
International [Abstract] |  |  |
Current | 105.4 | 81.9 | 66.3
Deferred | 8.2 | (4.4) | (16.9)
Total International | 113.6 | 77.5 | 49.4
Total provision for income taxes | 108.0 | 132.8 | 97.6
Increase or decrease in current tax expense from utilization of prior years' net operating loss carryovers | $ 21.8 | $ (16.8) | $ (23.5)
U.S. federal income tax rate | 35.00% | 35.00% | 35.00%

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