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Consolidated Statements of Stockholders' Equity - USD ($) $ in Millions | Total | Common Stock | Additional Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Treasury Stock
--- | --- | --- | --- | --- | --- | ---
BALANCE (in shares) at Dec. 31, 2016 |  | 25,662,982 |  |  |  |
BALANCE at Dec. 31, 2016 | $ 930.2 | $ 0.3 | $ 290.9 | $ 1,053.3 | $ (146.9) | $ (267.3)
Net income (loss) | 213.4 |  |  | 213.4 |  |
Other comprehensive income (loss), net of taxes | 23.7 |  |  |  | 23.7 |
Purchases of treasury stock | (42.1) |  |  |  |  | (42.1)
Net issuance of treasury shares to employee stock compensation plans (in shares) |  | (147,608) |  |  |  |
Net issuance of treasury shares to stock compensation plans | 0.6 |  | (18.3) |  |  | 18.9
Stock-based compensation | 18.9 |  | 18.9 |  |  |
Cash dividends, net of estimated forfeitures related to participating securities | (20.4) |  |  | (20.4) |  |
BALANCE (in shares) at Dec. 31, 2017 |  | 25,515,374 |  |  |  |
BALANCE at Dec. 31, 2017 | 1,124.3 | $ 0.3 | 291.5 | 1,246.3 | (123.2) | (290.5)
Net income (loss) | 157.8 |  |  | 157.8 |  |
Other comprehensive income (loss), net of taxes | (14.4) |  |  |  | (14.4) |
Tax effects reclassified from accumulated other comprehensive income | 0.0 |  |  | 0.2 | (0.2) |
Purchases of treasury stock | (183.9) |  |  |  |  | (183.9)
Net issuance of treasury shares to employee stock compensation plans (in shares) |  | (21,046) |  |  |  |
Net issuance of treasury shares to stock compensation plans | 2.7 |  | (17.4) |  |  | 20.1
Stock-based compensation | 18.7 |  | 18.7 |  |  |
Cash dividends, net of estimated forfeitures related to participating securities | (20.8) |  |  | (20.8) |  |
BALANCE (in shares) at Dec. 31, 2018 |  | 25,494,328 |  |  |  |
BALANCE at Dec. 31, 2018 | 1,095.7 | $ 0.3 | 292.8 | 1,394.8 | (137.8) | (454.4)
Net income (loss) | 174.0 |  |  | 174.0 |  |
Other comprehensive income (loss), net of taxes | (9.2) |  |  |  | (9.2) |
Purchases of treasury stock | (1.4) |  |  |  |  | (1.4)
Net issuance of treasury shares to employee stock compensation plans (in shares) |  | (7,617) |  |  |  |
Net issuance of treasury shares to stock compensation plans | 4.2 |  | (16.3) |  |  | 20.5
Stock-based compensation | 18.8 |  | 18.8 |  |  |
Cash dividends, net of estimated forfeitures related to participating securities | (20.3) |  |  | (20.3) |  |
BALANCE (in shares) at Dec. 31, 2019 |  | 25,486,711 |  |  |  |
BALANCE at Dec. 31, 2019 | $ 1,255.7 | $ 0.3 | $ 295.3 | $ 1,542.4 | $ (147.0) | $ (435.3)

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