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Consolidated Statements of Comprehensive Income - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Comprehensive Income (Loss) [Abstract] |  |  |  |  |  |
Net Earnings |  | $ 276.0 | $ 241.4 |  | $ 245.7 |
Foreign Currency Translation [Abstract] |  |  |  |  |  |
Foreign Currency Translation Adjustments Arising During Period |  | 4.5 | (41.9) | [1] | (26.2) | [1]
Less: Reclassification of Foreign Currency Translation Included in Net Earnings | [2] | 0.0 | 0.0 |  | 0.7 |
Net Foreign Currency Translation |  | 4.5 | (41.9) |  | (25.5) |
Defined Benefit Plans [Abstract] |  |  |  |  |  |
Net Actuarial Losses Arising During Period | [1] | (10.2) | (14.1) |  | (83.7) |
Less: Amortization of Prior Service Credits Included in Net Earnings | [2] | (0.4) | (0.8) |  | (1.3) |
Less: Amortization of Net Actuarial Losses Included in Net Earnings | [2] | 45.3 | 63.6 |  | 25.7 |
Net Defined Benefit Plans |  | 34.7 | 48.7 |  | (59.3) |
Derivatives [Abstract] |  |  |  |  |  |
Net Gains on Derivatives Arising During the Period | [1] | 2.1 | 8.4 |  | 4.4 |
Less: Reclassification Adjustment Included in Net Earnings | [2] | (1.8) | (8.8) |  | 1.4 |
Net Unrealized Gains (Losses) on Derivatives |  | 0.3 | (0.4) |  | 5.8 |
Other Comprehensive Income (Loss) |  | 39.5 | 6.4 |  | (79.0) |
Comprehensive Income |  | 315.5 | 247.8 |  | 166.7 |
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent [Abstract] |  |  |  |  |  |
Foreign Currency Translation Adjustments Arising During Period, Tax Effect |  | (7.9) | (10.6) |  | 8.9 |
Net Actuarial Gains (Losses) Arising During Period, Tax Effect |  | 5.4 | 10.4 |  | 53.2 |
Gains (Losses) on Derivatives Arising During Period, Tax Effect |  | $ (0.8) | $ (3.6) |  | $ (2.1) |
[1] | The tax effects for the year ended December 31, 2016 were $(7.9) million for foreign currency translation, $5.4 million for net actuarial losses arising during the period and $(0.8) million for derivatives. The tax effects for the year ended December 31, 2015 were $(10.6) million for foreign currency translation, $10.4 million for net actuarial losses arising during the period and $(3.6) million for derivatives. The tax effects for the year ended December 31, 2014 were $8.9 million for foreign currency translation, $53.2 million for net actuarial losses arising during the period and $(2.1) million for derivatives.
[2] | See Note 19 – Comprehensive Income for the tax effects for the years ended December 31, 2016, December 31, 2015 and December 31, 2014.

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