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Quarterly Financial Data (Tables) | 12 Months Ended
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Dec. 31, 2020
Quarterly Financial Information Disclosure [Abstract] |
Schedule of Supplemental Quarterly Financial Data | The supplemental quarterly financial data are as follows:
| Quarters Ended
| March 28, 2020 |  | June 27, 2020 |  | September 26, 2020 |  | December 31, 2020
Net sales | $ | 2,285,763 |  |  | 2,049,800 |  |  | 2,574,870 |  |  | 2,641,764 |
Gross profit | 616,440 |  |  | 369,967 |  |  | 706,199 |  |  | 738,084 |
Net earnings (loss) | 110,514 |  |  | (48,257) |  |  | 205,117 |  |  | 248,222 |
Basic earnings (loss) per share | 1.54 |  |  | (0.68) |  |  | 2.88 |  |  | 3.50 |
Diluted earnings (loss) per share | 1.54 |  |  | (0.68) |  |  | 2.87 |  |  | 3.49 |
| Quarters Ended
| March 30, 2019 |  | June 29, 2019 |  | September 28, 2019 |  | December 31, 2019
Net sales | $ | 2,442,490 |  |  | 2,584,485 |  |  | 2,519,185 |  |  | 2,424,512 |
Gross profit | 624,927 |  |  | 736,618 |  |  | 691,691 |  |  | 622,807 |
Net earnings | 121,585 |  |  | 202,441 |  |  | 155,518 |  |  | 264,667 |
Basic earnings per share | 1.68 |  |  | 2.80 |  |  | 2.16 |  |  | 3.69 |
Diluted earnings per share | 1.67 |  |  | 2.79 |  |  | 2.15 |  |  | 3.68 |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121640914&loc=d3e1280-108306 + Details
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