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Consolidated Statements of Stockholders’ Equity - USD ($) $ in Millions | Total | Common Stock | Paid-in Capital | Accumulated Other Comprehensive Income (Loss) | Treasury Stock | Accumulated Deficit
--- | --- | --- | --- | --- | --- | ---
Balance at start of period at Dec. 31, 2018 | $ 789.7 | $ 1.1 | $ 1,941.0 | $ (461.7) | $ (33.9) | $ (656.8)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | (0.6) |  |  |  |  | (0.6)
Gain (Loss) on derivative financial instruments, net of tax | (1.1) |  |  | (1.1) |  |
Translation impact, net of tax | (3.1) |  |  | (3.1) |  |
Pension and post-retirement adjustment, net of tax | (1.1) |  |  | (1.1) |  |
Common stock repurchases | (11.0) |  | (11.0) |  |  |
Stock-based compensation | 2.0 |  | 2.0 |  |  |
Common stock issued, net of shares withheld for employee taxes | (4.3) |  |  |  | (4.3) |
Dividends declared | (6.2) |  |  |  |  | (6.2)
Other | 0.0 |  | (0.1) |  |  | 0.1
Balance at end of period at Mar. 31, 2019 | $ 764.8 | $ 1.1 | 1,931.9 | (467.0) | $ (38.2) | (663.0)
Balance at start of period (in shares) at Dec. 31, 2018 | 102,748,700 | 106,249,322 |  |  | 3,500,622 |
Increase (Decrease) In Capital Stock [Roll Forward] |  |  |  |  |  |
Common stock issued, net of shares withheld for employee taxes | 978,034 | 1,437,021 |  |  | 458,987 |
Common stock repurchases | (1,260,163) | (1,260,163) |  |  |  |
Balance at end of period (in shares) at Mar. 31, 2019 | 102,466,571 | 106,426,180 |  |  | 3,959,609 |
Balance at start of period at Dec. 31, 2018 | $ 789.7 | $ 1.1 | 1,941.0 | (461.7) | $ (33.9) | (656.8)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 63.3 |  |  |  |  |
Gain (Loss) on derivative financial instruments, net of tax | (0.9) |  |  |  |  |
Pension and post-retirement adjustment, net of tax | 6.6 |  |  |  |  |
Balance at end of period at Sep. 30, 2019 | $ 766.9 | $ 1.0 | 1,893.8 | (478.4) | $ (38.2) | (611.3)
Balance at start of period (in shares) at Dec. 31, 2018 | 102,748,700 | 106,249,322 |  |  | 3,500,622 |
Increase (Decrease) In Capital Stock [Roll Forward] |  |  |  |  |  |
Common stock repurchases | (7,000,000.0) |  |  |  |  |
Balance at end of period (in shares) at Sep. 30, 2019 | 97,187,147 | 101,154,592 |  |  | 3,967,445 |
Balance at start of period at Mar. 31, 2019 | $ 764.8 | $ 1.1 | 1,931.9 | (467.0) | $ (38.2) | (663.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 35.9 |  |  |  |  | 35.9
Gain (Loss) on derivative financial instruments, net of tax | (1.2) |  |  | (1.2) |  |
Translation impact, net of tax | 5.8 |  |  | 5.8 |  |
Pension and post-retirement adjustment, net of tax | 3.5 |  |  | 3.5 |  |
Common stock repurchases | (28.3) |  | (28.3) |  |  |
Stock-based compensation | 3.4 |  | 3.6 |  |  | (0.2)
Common stock issued, net of shares withheld for employee taxes | 0.2 |  | 0.2 |  |  |
Dividends declared | (6.0) |  |  |  |  | (6.0)
Other | (0.1) | (0.1) | 0.1 |  |  | (0.1)
Balance at end of period at Jun. 30, 2019 | $ 778.0 | $ 1.0 | 1,907.5 | (458.9) | $ (38.2) | (633.4)
Balance at start of period (in shares) at Mar. 31, 2019 | 102,466,571 | 106,426,180 |  |  | 3,959,609 |
Increase (Decrease) In Capital Stock [Roll Forward] |  |  |  |  |  |
Common stock issued, net of shares withheld for employee taxes | 36,344 | 44,180 |  |  | 7,836 |
Common stock repurchases | (3,443,904) | (3,443,904) |  |  |  |
Balance at end of period (in shares) at Jun. 30, 2019 | 99,059,011 | 103,026,456 |  |  | 3,967,445 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | $ 28.0 |  |  |  |  | 28.0
Gain (Loss) on derivative financial instruments, net of tax | 1.4 |  |  | 1.4 |  |
Translation impact, net of tax | (25.1) |  |  | (25.1) |  |
Pension and post-retirement adjustment, net of tax | 4.2 |  |  | 4.2 |  |
Common stock repurchases | (17.7) | $ (0.1) | (17.6) |  |  |
Stock-based compensation | 0.9 |  | 1.0 |  |  | (0.1)
Common stock issued, net of shares withheld for employee taxes | 2.9 |  | 2.9 |  |  |
Dividends declared | (5.9) |  |  |  |  | (5.9)
Other | 0.2 | 0.1 |  |  |  | 0.1
Balance at end of period at Sep. 30, 2019 | $ 766.9 | $ 1.0 | 1,893.8 | (478.4) | $ (38.2) | (611.3)
Increase (Decrease) In Capital Stock [Roll Forward] |  |  |  |  |  |
Common stock issued, net of shares withheld for employee taxes | 386,781 | 386,781 |  |  |  |
Common stock repurchases | (2,258,645) | (2,258,645) |  |  |  |
Balance at end of period (in shares) at Sep. 30, 2019 | 97,187,147 | 101,154,592 |  |  | 3,967,445 |
Balance at start of period at Dec. 31, 2019 | $ 773.7 | $ 1.0 | 1,890.8 | (505.7) | $ (38.2) | (574.2)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 8.0 |  |  |  |  | 8.0
Gain (Loss) on derivative financial instruments, net of tax | 2.4 |  |  | 2.4 |  |
Translation impact, net of tax | (49.7) |  |  | (49.7) |  |
Pension and post-retirement adjustment, net of tax | 7.9 |  |  | 7.9 |  |
Common stock repurchases | (18.9) |  | (18.9) |  |  |
Stock-based compensation | 0.9 |  | 0.9 |  |  |
Common stock issued, net of shares withheld for employee taxes | (0.2) |  | 1.5 |  | (1.7) |
Dividends declared | (6.2) |  |  |  |  | (6.2)
Balance at end of period at Mar. 31, 2020 | $ 717.9 | $ 1.0 | 1,874.3 | (545.1) | $ (39.9) | (572.4)
Balance at start of period (in shares) at Dec. 31, 2019 | 96,445,488 | 100,412,933 |  |  | 3,967,445 |
Increase (Decrease) In Capital Stock [Roll Forward] |  |  |  |  |  |
Common stock issued, net of shares withheld for employee taxes | 692,421 | 898,664 |  |  | 206,243 |
Common stock repurchases | (2,690,292) | (2,690,292) |  |  |  |
Balance at end of period (in shares) at Mar. 31, 2020 | 94,447,617 | 98,621,305 |  |  | 4,173,688 |
Balance at start of period at Dec. 31, 2019 | $ 773.7 | $ 1.0 | 1,890.8 | (505.7) | $ (38.2) | (574.2)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 32.2 |  |  |  |  |
Gain (Loss) on derivative financial instruments, net of tax | (0.6) |  |  |  |  |
Pension and post-retirement adjustment, net of tax | 5.8 |  |  |  |  |
Balance at end of period at Sep. 30, 2020 | $ 725.2 | $ 1.0 | 1,878.9 | (554.2) | $ (39.9) | (560.6)
Balance at start of period (in shares) at Dec. 31, 2019 | 96,445,488 | 100,412,933 |  |  | 3,967,445 |
Increase (Decrease) In Capital Stock [Roll Forward] |  |  |  |  |  |
Common stock repurchases | (2,700,000) |  |  |  |  |
Balance at end of period (in shares) at Sep. 30, 2020 | 94,496,837 | 98,683,727 |  |  | 4,186,890 |
Balance at start of period at Mar. 31, 2020 | $ 717.9 | $ 1.0 | 1,874.3 | (545.1) | $ (39.9) | (572.4)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 5.4 |  |  |  |  | 5.4
Gain (Loss) on derivative financial instruments, net of tax | (2.4) |  |  | (2.4) |  |
Translation impact, net of tax | (7.6) |  |  | (7.6) |  |
Pension and post-retirement adjustment, net of tax | 1.9 |  |  | 1.9 |  |
Stock-based compensation | 2.5 |  | 2.6 |  |  | (0.1)
Dividends declared | (6.1) |  |  |  |  | (6.1)
Balance at end of period at Jun. 30, 2020 | $ 711.6 | $ 1.0 | 1,876.9 | (553.2) | $ (39.9) | (573.2)
Balance at start of period (in shares) at Mar. 31, 2020 | 94,447,617 | 98,621,305 |  |  | 4,173,688 |
Increase (Decrease) In Capital Stock [Roll Forward] |  |  |  |  |  |
Common stock issued, net of shares withheld for employee taxes | 14,530 | 26,957 |  |  | 12,427 |
Balance at end of period (in shares) at Jun. 30, 2020 | 94,462,147 | 98,648,262 |  |  | 4,186,115 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | $ 18.8 |  |  |  |  | 18.8
Gain (Loss) on derivative financial instruments, net of tax | (0.6) |  |  | (0.6) |  |
Translation impact, net of tax | 3.6 |  |  | 3.6 |  |
Pension and post-retirement adjustment, net of tax | (4.0) |  |  | (4.0) |  |
Stock-based compensation | 1.8 |  | 1.9 |  |  | (0.1)
Common stock issued, net of shares withheld for employee taxes | 0.1 |  | 0.1 |  |  |
Dividends declared | (6.1) |  |  |  |  | (6.1)
Balance at end of period at Sep. 30, 2020 | $ 725.2 | $ 1.0 | $ 1,878.9 | $ (554.2) | $ (39.9) | $ (560.6)
Increase (Decrease) In Capital Stock [Roll Forward] |  |  |  |  |  |
Common stock issued, net of shares withheld for employee taxes | 34,690 | 35,465 |  |  | 775 |
Common stock repurchases | 0 |  |  |  |  |
Balance at end of period (in shares) at Sep. 30, 2020 | 94,496,837 | 98,683,727 |  |  | 4,186,890 |

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