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Stockholders' Equity (Tables) | 9 Months Ended
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Sep. 30, 2017
Equity [Abstract] |
Schedule of Changes in Stockholders' Equity | The following tables reflect the changes in stockholders’ equity attributable to both Nucor and the noncontrolling interests of Nucor’s joint ventures, primarily Nucor-Yamato Steel Company, of which Nucor owns 51%, for the nine months ended September 30, 2017 and October 1, 2016 (in thousands):
|  | Attributable to Nucor Corporation |  |  | Attributable to Noncontrolling Interests |  |  | Total |
Stockholders’ equity at December 31, 2016 |  | $ | 7,879,865 |  |  | $ | 374,843 |  |  | $ | 8,254,708 |
Total comprehensive income |  |  | 1,034,784 |  |  |  | 50,680 |  |  |  | 1,085,464 |
Stock options |  |  | 13,300 |  |  |  | — |  |  |  | 13,300 |
Issuance of stock under award plans, net of forfeitures |  |  | 30,787 |  |  |  | — |  |  |  | 30,787 |
Amortization of unearned compensation |  |  | 1,000 |  |  |  | — |  |  |  | 1,000 |
Treasury stock acquired |  |  | (90,305 | ) |  |  | — |  |  |  | (90,305 | )
Dividends declared |  |  | (364,046 | ) |  |  | — |  |  |  | (364,046 | )
Distributions to noncontrolling interests |  |  | — |  |  |  | (85,094 | ) |  |  | (85,094 | )
Stockholders’ equity at September 30, 2017 |  | $ | 8,505,385 |  |  | $ | 340,429 |  |  | $ | 8,845,814 |
|  | Attributable to Nucor Corporation |  |  | Attributable to Noncontrolling Interests |  |  | Total |
Stockholders’ equity at December 31, 2015 |  | $ | 7,477,816 |  |  | $ | 372,061 |  |  | $ | 7,849,877 |
Total comprehensive income |  |  | 699,410 |  |  |  | 88,599 |  |  |  | 788,009 |
Stock options |  |  | 13,229 |  |  |  | — |  |  |  | 13,229 |
Issuance of stock under award plans, net of forfeitures |  |  | 25,929 |  |  |  | — |  |  |  | 25,929 |
Amortization of unearned compensation |  |  | 600 |  |  |  | — |  |  |  | 600 |
Treasury stock acquired |  |  | (5,173 | ) |  |  | — |  |  |  | (5,173 | )
Dividends declared |  |  | (360,955 | ) |  |  | — |  |  |  | (360,955 | )
Distributions to noncontrolling interests |  |  | — |  |  |  | (86,808 | ) |  |  | (86,808 | )
Other |  |  | (602 | ) |  |  | (1,776 | ) |  |  | (2,378 | )
Stockholders’ equity at October 1, 2016 |  | $ | 7,850,254 |  |  | $ | 372,076 |  |  | $ | 8,222,330 |

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- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References No definition available. + Details
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- References No definition available. + Details
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