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BUSINESS SEGMENTS (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 29, 2012 | Sep. 24, 2011 | Sep. 29, 2012 item | Sep. 24, 2011
Business Segments |  |  |  |
Number of reportable segments |  |  | 4 |
Maximum percentage of sales of other businesses and activities to consolidated sales as basis for aggregation |  |  | 10.00% |
Sales | $ 759,470 | $ 702,352 | $ 2,318,323 | $ 1,990,373
Intersegment Sales | 29,631 | 30,160 | 103,819 | 81,623
Net sales | 729,839 | 672,192 | 2,214,504 | 1,908,750
Operating Income (Loss) | 90,382 | 72,033 | 270,552 | 185,953
Engineered Infrastructure Products segment: |  |  |  |
Business Segments |  |  |  |
Sales | 229,310 | 222,243 | 652,991 | 597,590
Intersegment Sales | 9,978 | 6,611 | 37,062 | 18,035
Net sales | 219,332 | 215,632 | 615,929 | 579,555
Operating Income (Loss) | 18,715 | 17,189 | 40,907 | 30,907
Engineered Infrastructure Products segment: | Lighting, Traffic, and Roadway Products |  |  |  |
Business Segments |  |  |  |
Sales | 152,672 | 157,273 | 434,510 | 420,122
Engineered Infrastructure Products segment: | Communication Products |  |  |  |
Business Segments |  |  |  |
Sales | 36,446 | 28,612 | 99,629 | 77,332
Engineered Infrastructure Products segment: | Access Systems |  |  |  |
Business Segments |  |  |  |
Sales | 40,192 | 36,358 | 118,852 | 100,136
Utility Support Structures segment |  |  |  |
Business Segments |  |  |  |
Sales | 217,495 | 159,815 | 620,964 | 422,022
Intersegment Sales | 625 | 4,480 | 3,072 | 6,739
Net sales | 216,870 | 155,335 | 617,892 | 415,283
Operating Income (Loss) | 30,223 | 14,731 | 81,901 | 41,214
Utility Support Structures segment | Steel |  |  |  |
Business Segments |  |  |  |
Sales | 184,030 | 140,926 | 536,073 | 374,045
Utility Support Structures segment | Concrete |  |  |  |
Business Segments |  |  |  |
Sales | 33,465 | 18,889 | 84,891 | 47,977
Coatings segment |  |  |  |
Business Segments |  |  |  |
Sales | 83,713 | 80,806 | 251,397 | 238,417
Intersegment Sales | 12,313 | 11,852 | 38,262 | 34,283
Net sales | 71,400 | 68,954 | 213,135 | 204,134
Operating Income (Loss) | 18,542 | 14,238 | 54,571 | 39,600
Irrigation segment |  |  |  |
Business Segments |  |  |  |
Sales | 156,452 | 150,618 | 547,214 | 485,367
Intersegment Sales | 67 |  | 498 | 8
Net sales | 156,385 | 150,618 | 546,716 | 485,359
Operating Income (Loss) | 27,140 | 23,765 | 103,155 | 80,623
Other |  |  |  |
Business Segments |  |  |  |
Sales | 72,500 | 88,870 | 245,757 | 246,977
Intersegment Sales | 6,648 | 7,217 | 24,925 | 22,558
Net sales | 65,852 | 81,653 | 220,832 | 224,419
Operating Income (Loss) | 9,743 | 12,607 | 33,413 | 32,901
Net corporate expense |  |  |  |
Business Segments |  |  |  |
Operating Income (Loss) | $ (13,981) | $ (10,497) | $ (43,395) | $ (39,292)

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