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v3.19.3

Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Millions, $ in Millions | Common Stock | Additional Paid In Capital | Accumulated Other Comprehensive Income (Loss) | Retained Earnings | Total
--- | --- | --- | --- | --- | ---
Balance at the beginning of the period at Dec. 31, 2017 | $ 31.9 | $ 289.7 | $ (24.9) | $ 380.5 | $ 677.2
Balance (in shares) at Dec. 31, 2017 | 42.5 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Adoption of new lease accounting standard |  |  | (6.0) | 6.0 |
Net income |  |  |  | 14.2 | 14.2
Other comprehensive income (loss), net of tax |  |  | 0.2 |  | 0.2
Share-based compensation |  | 2.7 |  |  | 2.7
Shares issued, net of shares withheld for employee taxes | $ 0.1 | (4.3) |  |  | (4.2)
Shares issued, net of shares withheld for employee taxes (in shares) | 0.2 |  |  |  |
Dividends |  |  |  | (8.7) | (8.7)
Balance at the end of the period at Mar. 31, 2018 | $ 32.0 | 288.1 | (30.7) | 392.0 | 681.4
Balance (in shares) at Mar. 31, 2018 | 42.7 |  |  |  |
Balance at the beginning of the period at Dec. 31, 2017 | $ 31.9 | 289.7 | (24.9) | 380.5 | 677.2
Balance (in shares) at Dec. 31, 2017 | 42.5 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Net income |  |  |  |  | 88.4
Other comprehensive income (loss), net of tax |  |  |  |  | (0.6)
Balance at the end of the period at Sep. 30, 2018 | $ 32.0 | 293.7 | (31.5) | 448.5 | 742.7
Balance (in shares) at Sep. 30, 2018 | 42.7 |  |  |  |
Balance at the beginning of the period at Mar. 31, 2018 | $ 32.0 | 288.1 | (30.7) | 392.0 | 681.4
Balance (in shares) at Mar. 31, 2018 | 42.7 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Net income |  |  |  | 32.6 | 32.6
Other comprehensive income (loss), net of tax |  |  | (0.9) |  | (0.9)
Share-based compensation |  | 2.8 |  |  | 2.8
Shares issued, net of shares withheld for employee taxes |  | 0.3 |  |  | 0.3
Dividends |  |  |  | (17.7) | (17.7)
Balance at the end of the period at Jun. 30, 2018 | $ 32.0 | 291.2 | (31.6) | 406.9 | 698.5
Balance (in shares) at Jun. 30, 2018 | 42.7 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Net income |  |  |  | 41.6 | 41.6
Other comprehensive income (loss), net of tax |  |  | 0.1 |  | 0.1
Share-based compensation |  | 2.7 |  |  | 2.7
Shares issued, net of shares withheld for employee taxes |  | (0.2) |  |  | (0.2)
Balance at the end of the period at Sep. 30, 2018 | $ 32.0 | 293.7 | (31.5) | 448.5 | 742.7
Balance (in shares) at Sep. 30, 2018 | 42.7 |  |  |  |
Balance at the beginning of the period at Dec. 31, 2018 | $ 32.0 | 297.8 | (34.5) | 460.0 | 755.3
Balance (in shares) at Dec. 31, 2018 | 42.7 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Adoption of new lease accounting standard |  |  |  | 4.4 | 4.4
Net income |  |  |  | 12.5 | 12.5
Other comprehensive income (loss), net of tax |  |  | (0.2) |  | (0.2)
Share-based compensation |  | 3.2 |  |  | 3.2
Shares issued, net of shares withheld for employee taxes | $ 0.1 | (3.2) |  |  | (3.1)
Shares issued, net of shares withheld for employee taxes (in shares) | 0.1 |  |  |  |
Dividends |  |  |  | (9.1) | (9.1)
Balance at the end of the period at Mar. 31, 2019 | $ 32.1 | 297.8 | (34.7) | 467.8 | 763.0
Balance (in shares) at Mar. 31, 2019 | 42.8 |  |  |  |
Balance at the beginning of the period at Dec. 31, 2018 | $ 32.0 | 297.8 | (34.5) | 460.0 | 755.3
Balance (in shares) at Dec. 31, 2018 | 42.7 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Net income |  |  |  |  | 67.1
Other comprehensive income (loss), net of tax |  |  |  |  | (1.2)
Balance at the end of the period at Sep. 30, 2019 | $ 32.2 | 303.2 | (35.7) | 498.0 | 797.7
Balance (in shares) at Sep. 30, 2019 | 42.9 |  |  |  |
Balance at the beginning of the period at Mar. 31, 2019 | $ 32.1 | 297.8 | (34.7) | 467.8 | 763.0
Balance (in shares) at Mar. 31, 2019 | 42.8 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Net income |  |  |  | 18.4 | 18.4
Other comprehensive income (loss), net of tax |  |  | (0.5) |  | (0.5)
Share-based compensation |  | 3.0 |  |  | 3.0
Shares issued, net of shares withheld for employee taxes |  | (0.1) |  |  | (0.1)
Shares issued, net of shares withheld for employee taxes (in shares) | 0.1 |  |  |  |
Dividends |  |  |  | (18.6) | (18.6)
Balance at the end of the period at Jun. 30, 2019 | $ 32.1 | 300.7 | (35.2) | 467.6 | 765.2
Balance (in shares) at Jun. 30, 2019 | 42.9 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Adoption of new lease accounting standard |  |  |  | (5.6) | (5.6)
Net income |  |  |  | 36.2 | 36.2
Other comprehensive income (loss), net of tax |  |  | (0.5) |  | (0.5)
Share-based compensation |  | 2.5 |  |  | 2.5
Shares issued, net of shares withheld for employee taxes | $ 0.1 |  |  |  | 0.1
Dividends |  |  |  | (0.2) | (0.2)
Balance at the end of the period at Sep. 30, 2019 | $ 32.2 | $ 303.2 | $ (35.7) | $ 498.0 | $ 797.7
Balance (in shares) at Sep. 30, 2019 | 42.9 |  |  |  |

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