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v3.20.2

Accumulated Other Comprehensive Loss, Net of Tax (Details) - USD ($) $ in Millions | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019 | Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |  |  |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | $ (1.3) | $ (1.4) |  |
Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax | (223.7) | (213.9) | $ (228.8) | $ (219.4)
Foreign currency translation adjustment: |  |  |  |
Balance at beginning of period | (697.7) | (716.4) |  |
Other comprehensive (loss) income before reclassifications | (56.2) | (37.2) |  |
Amount reclassified from accumulated other comprehensive loss, net of tax | 9.3 | 5.2 |  |
Balance at end of period | (744.6) | (748.4) |  |
Derivative Instrument: |  |  |  |
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax | 2.7 | 0.0 |  |
Defined Benefit Pension and Other Postretirement Plans |  |  |  |
Balance at beginning of period | (3.5) | (5.3) |  |
Other comprehensive (loss) income before reclassifications | 0.8 | 1.6 |  |
Amount reclassified from accumulated other comprehensive loss, net of tax | 4.3 | 3.9 |  |
Balance at end of period | 0.5 | (3.9) |  |
Total: |  |  |  |
Balance at beginning of period | (930.0) | (941.1) |  |
Other comprehensive (loss) income before reclassifications | (52.7) | (35.6) |  |
Amount reclassified from accumulated other comprehensive loss, net of tax | 14.9 | 10.5 |  |
Balance at end of period | $ (967.8) | $ (966.2) |  |

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