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General (Tables) | 12 Months Ended
--- | ---
Dec. 30, 2017
General [Abstract] |
Net Income per Common Share [Table Text Block] |
| Net Income per Common Share (in thousands, except per share data)
|  | December 30, |  |  |  | December 31, |  |  |  | January 2, |
|  | 2017 |  |  |  | 2016 |  |  |  | 2016 |
| Income | Shares | Per-Share |  | Income | Shares | Per-Share |  | Income | Shares | Per-Share
Basic: |  |  |  |  |  |  |  |  |  |  |
Net income attributable to Darling | $ | 128,468 |  | 164,752 | $ | 0.78 |  |  | $ | 102,313 |  | 164,600 | $ | 0.62 |  |  | $ | 78,531 |  | 165,031 | $ | 0.48 |
Diluted: |  |  |  |  |  |  |  |  |  |  |
Effect of dilutive securities |  |  |  |  |  |  |  |  |  |  |
Add: Option shares in the money and dilutive effect of nonvested stock | — |  | 3,865 | — |  |  | — |  | 1,329 | — |  |  | — |  | 168 | — |
Less: Pro-forma treasury shares | — |  | (1,887) | — |  |  | — |  | (717) | — |  |  | — | (80) | — |
Diluted: |  |  |  |  |  |  |  |  |  |  |
Net income attributable to Darling | $ | 128,468 |  | 166,730 | $ | 0.77 |  |  | $ | 102,313 |  | 165,212 | $ | 0.62 |  |  | $ | 78,531 |  | 165,119 | $ | 0.48 |

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- Definition General [Abstract] + References No definition available. + Details
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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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