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v3.19.1

Consolidated Statement of Changes in Stockholders' Equity - USD ($) $ in Millions | Total | Common stock | Retained earnings | Accumulated other comprehensive income (loss)
--- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2017 | $ 1,427.6 | $ 687.0 | $ 752.6 | $ (12.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Net income | 36.7 |  | 36.7 |
Tax Cuts And Jobs Act Of 2017, Reclassification From AOCI To Retained Earnings |  |  | 3.1 | (3.1)
Other comprehensive income, net of tax expense | (17.2) |  |  | (17.2)
Common stock transactions: |  |  |  |
Common shares purchased and retired | (0.9) | (0.9) |  |
Stock options exercised, net of shares tendered in payment of option price and income tax withholding amounts | 0.8 | 0.8 |  |
Stock-based compensation expense | 1.1 | 1.1 |  |
Common cash dividend declared | (15.7) |  | (15.7) |
Ending Balance at Mar. 31, 2018 | 1,432.4 | 688.0 | 776.7 | (32.3)
Beginning Balance at Dec. 31, 2018 | 1,693.9 | 866.7 | 851.8 | (24.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Net income | 41.6 |  | 41.6 |
Other comprehensive income, net of tax expense | 20.2 |  |  | 20.2
Common stock transactions: |  |  |  |
Common shares purchased and retired | (2.4) | (2.4) |  |
Stock options exercised, net of shares tendered in payment of option price and income tax withholding amounts | 0.4 | 0.4 |  |
Stock-based compensation expense | 1.9 | 1.9 |  |
Common cash dividend declared | (18.7) |  | (18.7) |
Ending Balance at Mar. 31, 2019 | $ 1,736.9 | $ 866.6 | $ 874.7 | $ (4.4)

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