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Earnings (Loss) Per Share (Tables) | 12 Months Ended
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Jan. 01, 2023
Earnings Per Share [Abstract] |
Common Stock Reconciliation of Basic and Diluted Earnings Per Share | The reconciliation of basic earnings (loss) per share on common stock for 2022, 2021 and 2020 follows (in millions of dollars except per share data):
| 2022 |  | 2021 |  | 2020
Net earnings (loss) | $ | (62.5) |  |  | $ | 156.1 |  |  | $ | (72.0) |
Less: Earnings allocated to participating securities | — |  |  | (1.4) |  |  | — |
Net earnings (loss) available to common shareholders | $ | (62.5) |  |  | $ | 154.7 |  |  | $ | (72.0) |
Average common shares outstanding (millions): |  |  |  |  |
Basic | 38.1 |  |  | 39.4 |  |  | 39.3 |
Dilutive share awards | — |  |  | 0.1 |  |  | — |
Diluted | 38.1 |  |  | 39.5 |  |  | 39.3 |
Basic earnings (loss) per share | $ | (1.64) |  |  | $ | 3.93 |  |  | $ | (1.83) |
Diluted earnings (loss) per share | $ | (1.64) |  |  | $ | 3.91 |  |  | $ | (1.83) |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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