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SEGMENT INFORMATION (Tables) | 12 Months Ended
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Dec. 31, 2017
Segment Reporting [Abstract] |
Summary of Segment Results | Following is a summary of segment results (in thousands of dollars):
| 2017
| United States |  | Canada |  | Other businesses |  | Total
Total net sales | $ | 7,960,075 |  |  | $ | 752,900 |  |  | $ | 2,120,303 |  |  | $ | 10,833,278 |
Intersegment net sales | (403,824 | ) |  | (35 | ) |  | (4,561 | ) |  | (408,420 | )
Net sales to external customers | 7,556,251 |  |  | 752,865 |  |  | 2,115,742 |  |  | 10,424,858 |
Segment operating earnings | 1,213,138 |  |  | (76,538 | ) |  | 55,633 |  |  | 1,192,233 |
Segment assets | 2,309,734 |  |  | 278,633 |  |  | 605,452 |  |  | 3,193,819 |
Depreciation and amortization | 168,862 |  |  | 18,965 |  |  | 31,016 |  |  | 218,843 |
Additions to long-lived assets | $ | 187,384 |  |  | $ | 7,594 |  |  | $ | 61,735 |  |  | $ | 256,713 |
| 2016
| United States |  | Canada |  | Other businesses |  | Total
Total net sales | $ | 7,870,105 |  |  | $ | 733,829 |  |  | $ | 1,884,963 |  |  | $ | 10,488,897 |
Intersegment net sales | (347,468 | ) |  | (110 | ) |  | (4,115 | ) |  | (351,693 | )
Net sales to external customers | 7,522,637 |  |  | 733,719 |  |  | 1,880,848 |  |  | 10,137,204 |
Segment operating earnings | 1,274,851 |  |  | (65,362 | ) |  | 40,684 |  |  | 1,250,173 |
Segment assets | 2,275,009 |  |  | 286,035 |  |  | 494,067 |  |  | 3,055,111 |
Depreciation and amortization | 159,334 |  |  | 18,050 |  |  | 23,792 |  |  | 201,176 |
Additions to long-lived assets | $ | 153,556 |  |  | $ | 12,275 |  |  | $ | 95,288 |  |  | $ | 261,119 |
| 2015
| United States |  | Canada |  | Other businesses |  | Total
Total net sales | $ | 7,963,416 |  |  | $ | 890,530 |  |  | $ | 1,405,750 |  |  | $ | 10,259,696 |
Intersegment net sales | (282,305 | ) |  | (105 | ) |  | (3,902 | ) |  | (286,312 | )
Net sales to external customers | 7,681,111 |  |  | 890,425 |  |  | 1,401,848 |  |  | 9,973,384 |
Segment operating earnings | 1,371,626 |  |  | 27,368 |  |  | 48,051 |  |  | 1,447,045 |
Segment assets | 2,191,045 |  |  | 317,504 |  |  | 507,116 |  |  | 3,015,665 |
Depreciation and amortization | 150,654 |  |  | 17,334 |  |  | 19,999 |  |  | 187,987 |
Additions to long-lived assets | $ | 302,316 |  |  | $ | 20,464 |  |  | $ | 21,135 |  |  | $ | 343,915 |
Significant Reconciling Items from Segments to Consolidated | Following are reconciliations of the segment information with the consolidated totals per the financial statements (in thousands of dollars):
| 2017 |  | 2016 |  | 2015
Operating earnings: |  |  |  |  |
Total operating earnings for reportable segments | $ | 1,192,233 |  |  | $ | 1,250,173 |  |  | $ | 1,447,045 |
Unallocated expenses | (143,571 | ) |  | (130,676 | ) |  | (146,725 | )
Total consolidated operating earnings | $ | 1,048,662 |  |  | $ | 1,119,497 |  |  | $ | 1,300,320 |
Assets: |  |  |  |  |  |  |  |
Assets for reportable segments | $ | 3,193,819 |  |  | $ | 3,055,111 |  |  | $ | 3,015,665 |
Other current and noncurrent assets | 2,428,074 |  |  | 2,464,656 |  |  | 2,624,966 |
Unallocated assets | 182,361 |  |  | 174,540 |  |  | 217,124 |
Total consolidated assets | $ | 5,804,254 |  |  | $ | 5,694,307 |  |  | $ | 5,857,755 |
| 2017
| Segment Totals |  | Unallocated |  | Consolidated Total
Other significant items: |  |  |  |  |
Depreciation and amortization | $ | 218,843 |  |  | $ | 21,819 |  |  | $ | 240,662 |
Additions to long-lived assets | $ | 256,713 |  |  | $ | 5,283 |  |  | $ | 261,996 |
|  |  | Revenues |  | Long-Lived Assets
Geographic information: |  |  |  |  |
United States |  |  | $ | 7,948,291 |  |  | $ | 1,097,543 |
Canada |  |  | 761,065 |  |  | 199,660 |
Other foreign countries |  |  | 1,715,502 |  |  | 246,700 |
|  |  | $ | 10,424,858 |  |  | $ | 1,543,903 |
| 2016
| Segment Totals |  | Unallocated |  | Consolidated Total
Other significant items: |  |  |  |  |
Depreciation and amortization | $ | 201,176 |  |  | $ | 21,469 |  |  | $ | 222,645 |
Additions to long-lived assets | $ | 261,119 |  |  | $ | 10,542 |  |  | $ | 271,661 |
|  |  | Revenues |  | Long-Lived Assets
Geographic information: |  |  |  |  |
United States |  |  | $ | 7,834,361 |  |  | $ | 1,134,817 |
Canada |  |  | 739,687 |  |  | 210,931 |
Other foreign countries |  |  | 1,563,156 |  |  | 210,605 |
|  |  | $ | 10,137,204 |  |  | $ | 1,556,353 |
| 2015
| Segment Totals |  | Unallocated |  | Consolidated Total
Other significant items: |  |  |  |  |
Depreciation and amortization | $ | 187,987 |  |  | $ | 18,854 |  |  | $ | 206,841 |
Additions to long-lived assets | $ | 343,915 |  |  | $ | 16,912 |  |  | $ | 360,827 |
|  |  | Revenues |  | Long-Lived Assets
Geographic information: |  |  |  |  |
United States |  |  | $ | 7,866,300 |  |  | $ | 1,231,083 |
Canada |  |  | 897,431 |  |  | 215,202 |
Other foreign countries |  |  | 1,209,653 |  |  | 153,508 |
|  |  | $ | 9,973,384 |  |  | $ | 1,599,793 |

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