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v3.20.4

Consolidated Statements of Stockholders' Equity - USD ($) $ in Millions | Total | 1.00% Notes Convertible Debt | Cumulative Effect, Period of Adoption, Adjustment | Common Stock | Additional Paid-in Capital | Additional Paid-in Capital 1.00% Notes Convertible Debt | Additional Paid-in Capital Cumulative Effect, Period of Adoption, Adjustment | Accumulated Other Comprehensive Loss | Accumulated (Deficit) Earnings | Accumulated (Deficit) Earnings Cumulative Effect, Period of Adoption, Adjustment | Treasury Stock | Treasury Stock 1.00% Notes Convertible Debt | Non-Controlling Interest
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance, beginning (in shares) at Dec. 31, 2017 |  |  |  | 551,873,115 |  |  |  |  |  |  | 126,754,921 |  |
Balance, beginning at Dec. 31, 2017 | $ 2,801.0 |  |  | $ 5.5 | $ 3,593.5 |  |  | $ (40.6) | $ 351.5 |  | $ (1,131.1) |  | $ 22.2
Balance, beginning (Accounting Standards Update 2016-16) at Dec. 31, 2017 |  |  | $ (1.4) |  |  |  |  |  |  | $ (1.4) |  |  |
Balance, beginning (Accounting Standards Update 2014-09) at Dec. 31, 2017 |  |  | $ 2.1 |  |  |  | $ 0.0 |  |  | $ 2.1 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |
Stock option exercises (in shares) |  |  |  | 794,165 |  |  |  |  |  |  |  |  |
Stock option exercises | 5.7 |  |  | $ 0.0 | 5.7 |  |  |  |  |  |  |  |
Shares issued pursuant to the employee stock purchase plan (in shares) |  |  |  | 1,516,012 |  |  |  |  |  |  |  |  |
Shares issued pursuant to the ESPP | 24.9 |  |  |  | 24.9 |  |  |  |  |  |  |  |
RSUs and stock grant awards issued (in shares) |  |  |  | 4,518,328 |  |  |  |  |  |  |  |  |
RSUs and stock grant awards issued | 0.0 |  |  | $ 0.1 | (0.1) |  |  |  |  |  |  |  |
Shares withheld for employee taxes on RSUs (in shares) |  |  |  |  |  |  |  |  |  |  | (1,343,961) |  |
Payment of tax withholding for RSUs | (31.6) |  |  |  |  |  |  |  |  |  | $ (31.6) |  |
Share-based compensation | $ 78.3 |  |  |  | 78.3 |  |  |  |  |  |  |  |
Repurchase of common stock (in shares) | (16,800,000) |  |  |  |  |  |  |  |  |  | (16,768,511) |  |
Repurchase of common stock and repurchases of shares under bond hedges | $ (315.3) |  |  |  |  |  |  |  |  |  | $ (315.3) |  |
Dividend to non-controlling shareholder | (2.2) |  |  |  |  |  |  |  |  |  |  |  | (2.2)
Comprehensive income | 632.6 |  |  |  |  |  |  | 2.7 | 627.4 |  |  |  | 2.5
Balance, ending (in shares) at Dec. 31, 2018 |  |  |  | 558,701,620 |  |  |  |  |  |  | 144,867,393 |  |
Balance, ending at Dec. 31, 2018 | 3,194.1 |  |  | $ 5.6 | 3,702.3 |  |  | (37.9) | 979.6 |  | $ (1,478.0) |  | 22.5
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |
Stock option exercises (in shares) |  |  |  | 266,363 |  |  |  |  |  |  |  |  |
Stock option exercises | 1.7 |  |  | $ 0.0 | 1.7 |  |  |  |  |  |  |  |
Shares issued pursuant to the employee stock purchase plan (in shares) |  |  |  | 1,666,559 |  |  |  |  |  |  |  |  |
Shares issued pursuant to the ESPP | 26.2 |  |  |  | 26.2 |  |  |  |  |  |  |  |
RSUs and stock grant awards issued (in shares) |  |  |  | 4,928,065 |  |  |  |  |  |  |  |  |
RSUs and stock grant awards issued | 0.0 |  |  | $ 0.1 | (0.1) |  |  |  |  |  |  |  |
Shares withheld for employee taxes on RSUs (in shares) |  |  |  |  |  |  |  |  |  |  | (1,620,543) |  |
Payment of tax withholding for RSUs | (33.5) |  |  |  |  |  |  |  |  |  | $ (33.5) |  |
Share-based compensation | $ 79.4 |  |  |  | 79.4 |  |  |  |  |  |  |  |
Repurchase of common stock (in shares) | (7,800,000) |  |  |  |  |  |  |  |  |  | (7,762,007) |  |
Repurchase of common stock and repurchases of shares under bond hedges | $ (139.0) |  |  |  |  |  |  |  |  |  | $ (139.0) |  |
Dividend to non-controlling shareholder | (2.3) |  |  |  |  |  |  |  |  |  |  |  | (2.3)
Comprehensive income | 197.5 |  |  |  |  |  |  | (16.4) | 211.7 |  |  |  | 2.2
Balance, ending (in shares) at Dec. 31, 2019 |  |  |  | 565,562,607 |  |  |  |  |  |  | 154,249,943 |  |
Balance, ending at Dec. 31, 2019 | 3,324.1 |  |  | $ 5.7 | 3,809.5 |  |  | (54.3) | 1,191.3 |  | $ (1,650.5) |  | 22.4
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |
Stock option exercises (in shares) |  |  |  | 5,625 |  |  |  |  |  |  |  |  |
Stock option exercises | 0.0 |  |  |  | 0.0 |  |  |  |  |  |  |  |
Shares issued pursuant to the employee stock purchase plan (in shares) |  |  |  | 1,838,256 |  |  |  |  |  |  |  |  |
Shares issued pursuant to the ESPP | 23.6 |  |  |  | 23.6 |  |  |  |  |  |  |  |
RSUs and stock grant awards issued (in shares) |  |  |  | 3,359,951 |  |  |  |  |  |  |  |  |
RSUs and stock grant awards issued | 0.0 |  |  | $ 0.0 | 0.0 |  |  |  |  |  |  |  |
Shares withheld for employee taxes on RSUs (in shares) |  |  |  |  |  |  |  |  |  |  | (1,062,377) |  |
Payment of tax withholding for RSUs | (20.0) |  |  |  |  |  |  |  |  |  | $ (20.0) |  |
Share-based compensation | $ 67.7 |  |  |  | 67.7 |  |  |  |  |  |  |  |
Repurchase of common stock (in shares) | (3,600,000) |  |  |  |  |  |  |  |  |  | (3,611,413) | (11,823,348) |
Repurchase of common stock and repurchases of shares under bond hedges | $ (65.4) | $ 0.0 |  |  |  | $ 321.0 |  |  |  |  | $ (65.4) | $ (321.0) |
Dividend to non-controlling shareholder | (5.0) |  |  |  |  |  |  |  |  |  |  |  | (5.0)
Shares issued to settle excess over principal for 1.00% Notes | 0.0 |  |  |  | (88.7) |  |  |  |  |  | $ 88.7 |  |
Shares issued to settle excess over principal for 1.00% Notes (in shares) |  |  |  |  |  |  |  |  |  |  | 11,823,271 |  |
Comprehensive income | 233.1 |  |  |  |  |  |  | (3.3) | 234.2 |  |  |  | 2.2
Balance, ending (in shares) at Dec. 31, 2020 |  |  |  | 570,766,439 |  |  |  |  |  |  | 158,923,810 |  |
Balance, ending at Dec. 31, 2020 | $ 3,558.1 |  |  | $ 5.7 | $ 4,133.1 |  |  | $ (57.6) | $ 1,425.5 |  | $ (1,968.2) |  | $ 19.6

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