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Stockholders' Equity - Schedule of Changes in Stockholders' Equity (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 04, 2015 | Jul. 05, 2014 | Jul. 04, 2015 | Jul. 05, 2014
Stockholders' Equity [Line Items] |  |  |  |
Stockholders' equity, beginning of period |  |  | $ 8,075,118 | $ 7,910,278
Total comprehensive income | $ 187,139 | $ 198,780 | 152,636 | 283,599
Stock options |  |  | 7,557 | 7,617
Issuance of stock under award plans, net of forfeitures |  |  | 18,384 | 19,556
Amortization of unearned compensation |  |  | 500 | 400
Dividends declared |  |  | (239,763) | (237,560)
Distributions to noncontrolling interests |  |  | (39,347) | (37,877)
Stockholders' equity, end of period | 7,975,085 | 7,946,013 | 7,975,085 | 7,946,013
Attributable to Nucor Corporation [Member] |  |  |  |
Stockholders' Equity [Line Items] |  |  |  |
Stockholders' equity, beginning of period |  |  | 7,772,470 | 7,645,769
Total comprehensive income |  |  | 101,555 | 245,040
Stock options |  |  | 7,557 | 7,617
Issuance of stock under award plans, net of forfeitures |  |  | 18,384 | 19,556
Amortization of unearned compensation |  |  | 500 | 400
Dividends declared |  |  | (239,763) | (237,560)
Stockholders' equity, end of period | 7,660,703 | 7,680,822 | 7,660,703 | 7,680,822
Attributable to Noncontrolling Interests [Member] |  |  |  |
Stockholders' Equity [Line Items] |  |  |  |
Stockholders' equity, beginning of period |  |  | 302,648 | 264,509
Total comprehensive income |  |  | 51,081 | 38,559
Distributions to noncontrolling interests |  |  | (39,347) | (37,877)
Stockholders' equity, end of period | $ 314,382 | $ 265,191 | $ 314,382 | $ 265,191

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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591552-111686 + Details
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