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Valuation and Qualifying Accounts and Reserves (Schedule II) | 12 Months Ended
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Dec. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Valuation and Qualifying Accounts and Reserves (Schedule II) | Financial Statement Schedule Schedule II — Valuation and Qualifying Accounts and Reserves for the years ended December 31, 2021, 2020 and 2019 is set forth below. All other schedules for which provision is made in the applicable accounting regulations of the Securities and Exchange Commission are not required under the related instructions or are inapplicable and therefore have been omitted. Valuation and Qualifying Accounts and Reserves (Schedule II) Changes in deferred tax asset valuation allowances were as follows:
(millions of dollars) | 2021 |  | 2020 |  | 2019
Beginning balance | $ | 104.6 |  |  | $ | 84.6 |  |  | $ | 73.5 |
(Deductions) additions (1) | (7.4) |  |  | 20.0 |  |  | 7.4 |
Acquired balances | — |  |  | — |  |  | 3.7 |
Ending balance | $ | 97.2 |  |  | $ | 104.6 |  |  | $ | 84.6 |
(1) (Deductions) additions did not have a material impact on the Income Statement in 2021, 2020 or 2019.

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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