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Recent Accounting Pronouncements Table (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Increase (Decrease) in Other Accrued Liabilities |  |  | $ 2.0 | $ (8.9)
Cumulative Effect on Retained Earnings, before Tax |  |  | 0.9 |
Cumulative Effect on Retained Earnings, Tax | $ (8.1) | $ 21.5 | 7.4 | 50.6
Adjustments for New Accounting Pronouncement [Member] |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Increase (Decrease) in Other Accrued Liabilities |  |  |  | $ 1.5
Cumulative Effect on Retained Earnings, Tax |  |  | $ 1.8 |

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