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v3.10.0.1

Other Comprehensive Income - Comprehensive Income (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Before Tax Amount |  |  |
Change in net unrealized loss during period | $ (13.9) | $ (6.5) | $ (19.4)
Reclassification adjustment for net loss included in net income | 0.1 | (0.7) | (0.3)
Change in unamortized loss on available-for-sale securities transferred into held-to-maturity | 1.6 | 1.9 | 1.9
Change in net unrealized loss on derivatives |  | (1.1) | (0.2)
Reclassification adjustment for derivative net (gains) losses included in net income | 0.0 | 1.1 | 0.0
Change in net actuarial loss (gain) | (0.6) | (1.3) | 3.9
Total other comprehensive loss | (12.8) | (6.6) | (14.1)
Tax Expense (Benefit) |  |  |
Change in net unrealized loss during period | (3.6) | (2.7) | (7.6)
Reclassification adjustment for net gains included in net income | 0.0 | (0.3) | (0.1)
Change in unamortized loss on available-for-sale securities transferred into held-to-maturity | 0.4 | 0.7 | 0.7
Change in net unrealized loss on derivatives |  | (0.4) | (0.1)
Reclassification adjustment for derivative net (gains) losses included in net income |  | 0.4 |
Change in net actuarial loss (gain) | (0.1) | (0.5) | 1.6
Total other comprehensive income (loss) | (3.3) | (2.8) | (5.5)
Net of Tax Amount |  |  |
Change in net unrealized loss during period | (10.3) | (3.8) | (11.8)
Reclassification adjustment for net gains included in net income | 0.1 | (0.4) | (0.2)
Change in unamortized gain on available-for-sale securities transferred into held-to-maturity | 1.2 | 1.2 | 1.2
Change in net unrealized loss on derivatives |  | (0.7) | (0.1)
Reclassification adjustment for derivative net (gains) losses included in net income |  | 0.7 |
Change in net actuarial loss (gain) | (0.5) | (0.8) | 2.3
Other comprehensive income (loss), net of tax | $ (9.5) | $ (3.8) | $ (8.6)

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