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ACCUMULATED OTHER COMPREHENSIVE LOSS - USD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Accumulated other comprehensive loss | $ 3,155.7 | $ 3,239.0 | $ 2,721.3
Accumulated Foreign Currency Adjustment Attributable to Parent |  |  |
Accumulated other comprehensive loss | (328.0) | (103.3) | (262.0)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent |  |  |
Accumulated other comprehensive loss | (297.1) | (257.5) | (265.9)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent |  |  |
Accumulated other comprehensive loss | (1.2) | (1.2) | (1.0)
Accumulated Impact of Tax Cuts and Jobs Act of 2017 |  |  |
Accumulated other comprehensive loss | 0.0 | (50.0) | 0.0
Accumulated Other Comprehensive Loss |  |  |
Accumulated other comprehensive loss | $ (626.3) | $ (412.0) | $ (528.9)

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