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v3.21.1

Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Millions | Total | Common Stock [Member] | Additional Paid In Capital [Member] | Accumulated Deficit [Member] | Accumulated Other Comprehensive Loss [Member]
--- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2019 | $ 1,882.3 | $ 1.4 | $ 2,449.1 | $ (229.8) | $ (338.4)
Balance, shares at Dec. 31, 2019 |  | 144,386,618 |  |  |
Net income (loss) | 8.6 |  |  | 8.6 |
Issuance of common stock under share-based compensation plans | 11.4 |  | 11.4 |  |
Issuance of common stock under share-based compensation plans, shares |  | 551,328 |  |  |
Share-based compensation | 12.5 |  | 12.5 |  |
Foreign currency translation | (49.1) |  |  |  | (49.1)
Change in unrealized gain, net of tax | 17.4 |  |  |  | 17.4
Change in pension liability adjustment, net of tax | 2.5 |  |  |  | 2.5
Ending balance at Mar. 31, 2020 | 1,885.6 | $ 1.4 | 2,473.0 | (221.2) | (367.6)
Balance, shares at Mar. 31, 2020 |  | 144,937,946 |  |  |
Beginning balance at Dec. 31, 2020 | 2,098.2 | $ 1.5 | 2,606.5 | (233.8) | (276.0)
Balance, shares at Dec. 31, 2020 |  | 148,571,412 |  |  |
Net income (loss) | (19.2) |  |  | (19.2) |
Issuance of common stock under share-based compensation plans | 11.3 |  | 11.3 |  |
Issuance of common stock under share-based compensation plans, shares |  | 341,975 |  |  |
Share-based compensation | 22.8 |  | 22.8 |  |
Equity component of convertible senior notes | 77.7 |  | 77.7 |  |
Purchase of capped calls related to convertible senior notes | (33.0) |  | (33.0) |  |
Foreign currency translation | 11.0 |  |  |  | 11.0
Change in unrealized gain, net of tax | (12.3) |  |  |  | (12.3)
Change in pension liability adjustment, net of tax | 2.8 |  |  |  | 2.8
Ending balance at Mar. 31, 2021 | $ 2,159.3 | $ 1.5 | $ 2,685.3 | $ (253.0) | $ (274.5)
Balance, shares at Mar. 31, 2021 |  | 148,913,387 |  |  |

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