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Other Expense (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Other Income and Expenses [Abstract] |  |  |
Severance and post-employment benefits | $ 0.0 | $ 8.9 | $ 0.0
Asset-related charges | 0.0 | 17.3 | 0.0
Other charges | 0.0 | 0.2 | 0.0
Total restructuring and related charges | 0.0 | 26.4 | 0.0
Pension settlement charge | 0.0 | 0.0 | 50.4
Pension curtailment gain | 0.0 | (2.1) | 0.0
Executive retirement and related costs | 0.0 | 0.0 | 10.9
Venezuela currency devaluation | 0.0 | 2.7 | 0.0
Venezuela deconsolidation | 11.1 | 0.0 | 0.0
Development and licensing income | (10.6) | (1.5) | (1.5)
Contingent consideration | (2.4) | 2.3 | 1.1
Other items | 3.9 | (0.1) | (0.8)
Total other expense | $ 2.0 | $ 27.7 | $ 60.1

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