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Earnings per Share (Tables) | 3 Months Ended
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Mar. 31, 2018
Earnings Per Share [Abstract] |
Computation of Earnings per Share | Earnings per share (in millions, except share data):
|  | Three Months Ended
|  | March 31, 2018 |  | April 1, 2017
Basic: |  |  |  |
Net income |  | $ | 109 |  |  | $ | 8 |
Weighted-average shares outstanding |  | 53,286,249 |  |  | 51,842,025 |
Basic earnings per share |  | $ | 2.04 |  |  | $ | 0.16 |
Diluted: |  |  |  |
Net income |  | $ | 109 |  |  | $ | 8 |
Weighted-average shares outstanding |  | 53,286,249 |  |  | 51,842,025 |
Dilutive shares |  | 699,506 |  |  | 1,104,858 |
Diluted weighted-average shares outstanding |  | 53,985,755 |  |  | 52,946,883 |
Diluted earnings per share |  | $ | 2.01 |  |  | $ | 0.16 |

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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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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