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Income taxes (Tables) | 12 Months Ended
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Dec. 31, 2021
Income Tax Disclosure [Abstract] |
Schedule of Income (Loss) from Continuing Operations before Income Taxes and Provision (Benefit) for Income Taxes | Following is the total loss from continuing operations before income taxes and the provision (benefit) for income taxes.
Year ended December 31, |  | 2021 |  |  | 2020 |  |  | 2019 |
Income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | (443.5 | ) |  | $ | (316.3 | ) |  | $ | (148.4 | )
Foreign |  |  | (18.2 | ) |  |  | 44.5 |  |  |  | 87.8 |
Total income (loss) from continuing operations before income taxes |  | $ | (461.7 | ) |  | $ | (271.8 | ) |  | $ | (60.6 | )
Provision (benefit) for income taxes |  |  |  |  |  |  |  |  |  |  |  |
Current |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 9.1 |  |  | $ | 7.3 |  |  | $ | (17.7 | )
Foreign |  |  | 38.1 |  |  |  | 51.5 |  |  |  | 41.0 |
Total |  |  | 47.2 |  |  |  | 58.8 |  |  |  | 23.3 |
Deferred |  |  |  |  |  |  |  |  |  |  |  |
Foreign |  |  | (59.1 | ) |  |  | (13.4 | ) |  |  | 4.4 |
Total (benefit) provision for income taxes |  | $ | (11.9 | ) |  | $ | 45.4 |  |  | $ | 27.7 |
Schedule of Reconciliation of Provision (Benefit) for Income Taxes | Following is a reconciliation of the provision (benefit) for income taxes at the United States statutory tax rate to the provision (benefit) for income taxes as reported:
Year ended December 31, |  | 2021 |  |  | 2020 |  |  | 2019 |
United States statutory income tax provision (benefit) |  | $ | (96.9 | ) |  | $ | (57.1 | ) |  | $ | (12.7 | )
Income and losses for which no provision or benefit has been recognized |  |  | 91.1 |  |  |  | 78.6 |  |  |  | 23.9 |
Foreign rate differential and other foreign tax expense |  |  | 0.4 |  |  |  | 5.9 |  |  |  | 3.2 |
Income tax withholdings |  |  | 13.5 |  |  |  | 16.8 |  |  |  | 17.6 |
Permanent items |  |  | (1.8 | ) |  |  | 0.8 |  |  |  | (2.5 | )
Enacted rate changes |  |  | (17.1 | ) |  |  | (4.0 | ) |  |  | 0.5 |
Change in uncertain tax positions |  |  | (0.3 | ) |  |  | 3.6 |  |  |  | 0.2 |
Change in valuation allowances due to changes in judgment |  |  | (0.8 | ) |  |  | 2.9 |  |  |  | (2.3 | )
Income tax credits, U.S. |  |  | — |  |  |  | (2.1 | ) |  |  | (0.2 | )
(Benefit) provision for income taxes |  | $ | (11.9 | ) |  | $ | 45.4 |  |  | $ | 27.7 |
Schedule of Significant Portions of Deferred Tax Assets and Liabilities | The tax effects of temporary differences and carryforwards that give rise to significant portions of deferred tax assets and liabilities were as follows:
As of December 31, |  | 2021 |  |  | 2020 |
Deferred tax assets |  |  |  |  |  |  |  |
Tax loss carryforwards |  | $ | 840.4 |  |  | $ | 795.2 |
Postretirement benefits |  |  | 211.8 |  |  |  | 253.0 |
Foreign tax credit carryforwards |  |  | 145.9 |  |  |  | 201.3 |
Other tax credit carryforwards |  |  | 31.9 |  |  |  | 29.2 |
Deferred revenue |  |  | 35.8 |  |  |  | 31.1 |
Employee benefits and compensation |  |  | 25.8 |  |  |  | 25.3 |
Purchased capitalized software |  |  | 24.2 |  |  |  | 24.1 |
Depreciation |  |  | 31.6 |  |  |  | 28.2 |
Warranty, bad debts and other reserves |  |  | 7.5 |  |  |  | 10.5 |
Capitalized costs |  |  | 3.9 |  |  |  | 8.1 |
Other |  |  | 46.1 |  |  |  | 52.0 |
|  |  | 1,404.9 |  |  |  | 1,458.0 |
Valuation allowance |  |  | (1,226.2 | ) |  |  | (1,271.5 | )
Total deferred tax assets |  | $ | 178.7 |  |  | $ | 186.5 |
Deferred tax liabilities |  |  |  |  |  |  |  |
Capitalized research and development |  | $ | 43.1 |  |  | $ | 47.4 |
Other |  |  | 29.5 |  |  |  | 29.8 |
Total deferred tax liabilities |  | $ | 72.6 |  |  | $ | 77.2 |
Net deferred tax assets |  | $ | 106.1 |  |  | $ | 109.3 |
Schedule of Tax Effected Tax Loss Carryforwards | At December 31, 2021, the company has tax effected tax loss carryforwards as follows:
As of December 31, |  | 2021 |
U.S. Federal |  | $ | 370.7 |
State and local |  |  | 203.4 |
Foreign |  |  | 266.3 |
Total tax loss carryforwards |  | $ | 840.4 |
These carryforwards will expire as follows:
Year |  |  |
2022 |  | $ | 13.8 |
2023 |  |  | 13.0 |
2024 |  |  | 13.0 |
2025 |  |  | 15.5 |
2026 |  |  | 10.3 |
Thereafter |  |  | 502.3 |
Unlimited |  |  | 272.5 |
Total |  | $ | 840.4 |
Schedule of Tax Credit Carryforwards | The company also has available tax credit carryforwards, which will expire as follows:
Year |  |  |
2022 |  | $ | 38.1 |
2023 |  |  | 27.0 |
2024 |  |  | 22.5 |
2025 |  |  | 20.7 |
2026 |  |  | 33.7 |
Thereafter |  |  | 35.8 |
Total |  | $ | 177.8 |
Schedule of Cash Paid for Income Taxes, Net of Refunds | Cash paid for income taxes, net of refunds was as follows:
Year ended December 31, |  | 2021 |  |  | 2020 |  |  | 2019 |
Cash paid for income taxes, net of refunds |  | $ | 53.7 |  |  | $ | 24.7 |  |  | $ | 37.6 |
Schedule of Reconciliation of Changes in Unrecognized Tax Benefits | A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:
Year ended December 31, |  | 2021 |  |  | 2020 |  |  | 2019 |
Balance at January 1 |  | $ | 30.9 |  |  | $ | 25.6 |  |  | $ | 18.9 |
Additions based on tax positions related to the current year |  |  | 3.5 |  |  |  | 8.5 |  |  |  | 11.1 |
Changes for tax positions of prior years |  |  | (8.8 | ) |  |  | (0.7 | ) |  |  | (0.6 | )
Reductions as a result of a lapse of applicable statute of limitations |  |  | (2.6 | ) |  |  | (2.3 | ) |  |  | (2.3 | )
Settlements |  |  | (0.3 | ) |  |  | (1.8 | ) |  |  | (1.1 | )
Changes due to foreign currency |  |  | (1.1 | ) |  |  | 1.6 |  |  |  | (0.4 | )
Balance at December 31 |  | $ | 21.6 |  |  | $ | 30.9 |  |  | $ | 25.6 |

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