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v3.3.1.900

Reportable Segment Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Net Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Net Sales | $ 543,711 | $ 531,350 | $ 514,831 | $ 437,597 | $ 527,477 | $ 491,697 | $ 486,021 | $ 358,120 | $ 458,354 | $ 439,977 | $ 413,126 | $ 324,229 | $ 2,027,489 | $ 1,863,315 | $ 1,635,686
Depreciation and amortization |  |  |  |  |  |  |  |  |  |  |  |  | 37,998 | 38,829 | 38,336
Income (Loss) from operations |  |  |  |  |  |  |  |  |  |  |  |  | 180,369 | 122,386 | 103,191
Reconciling items to net income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  |  |  |  |  | (19,548) | (22,165) | (26,308)
Other, net |  |  |  |  |  |  |  |  |  |  |  |  | 2,490 | (1,759) | 740
Income tax expense |  |  |  |  |  |  |  |  |  |  |  |  | 59,022 | 37,532 | 31,094
Net income | $ 33,286 | $ 31,880 | $ 28,649 | $ 10,474 | $ 19,088 | $ 18,307 | $ 16,239 | $ 7,296 | $ 10,423 | $ 16,236 | $ 14,135 | $ 5,735 | 104,289 | 60,930 | 46,529
External Customers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Net Sales |  |  |  |  |  |  |  |  |  |  |  |  | 2,027,489 | 1,863,315 | 1,635,686
Intersegment Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Net Sales |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Commercial Trailer Products |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Net Sales |  |  |  |  |  |  |  |  |  |  |  |  | 1,509,380 | 1,294,164 | 1,082,456
Depreciation and amortization |  |  |  |  |  |  |  |  |  |  |  |  | 11,574 | 11,332 | 11,127
Income (Loss) from operations |  |  |  |  |  |  |  |  |  |  |  |  | 158,805 | 81,141 | 57,543
Commercial Trailer Products | External Customers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Net Sales |  |  |  |  |  |  |  |  |  |  |  |  | 1,446,113 | 1,221,040 | 1,010,736
Commercial Trailer Products | Intersegment Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Net Sales |  |  |  |  |  |  |  |  |  |  |  |  | 63,267 | 73,124 | 71,720
Diversified Products |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Net Sales |  |  |  |  |  |  |  |  |  |  |  |  | 428,021 | 466,238 | 458,653
Depreciation and amortization |  |  |  |  |  |  |  |  |  |  |  |  | 22,853 | 23,806 | 23,320
Income (Loss) from operations |  |  |  |  |  |  |  |  |  |  |  |  | 47,940 | 54,879 | 59,126
Diversified Products | External Customers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Net Sales |  |  |  |  |  |  |  |  |  |  |  |  | 415,093 | 453,160 | 444,804
Diversified Products | Intersegment Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Net Sales |  |  |  |  |  |  |  |  |  |  |  |  | 12,928 | 13,078 | 13,849
Retail |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Net Sales |  |  |  |  |  |  |  |  |  |  |  |  | 167,291 | 190,080 | 181,486
Depreciation and amortization |  |  |  |  |  |  |  |  |  |  |  |  | 2,136 | 2,061 | 2,029
Income (Loss) from operations |  |  |  |  |  |  |  |  |  |  |  |  | 4,401 | 3,785 | 2,885
Retail | External Customers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Net Sales |  |  |  |  |  |  |  |  |  |  |  |  | 166,283 | 189,115 | 180,146
Retail | Intersegment Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Net Sales |  |  |  |  |  |  |  |  |  |  |  |  | 1,008 | 965 | 1,340
Corporate and Eliminations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Net Sales |  |  |  |  |  |  |  |  |  |  |  |  | (77,203) | (87,167) | (86,909)
Depreciation and amortization |  |  |  |  |  |  |  |  |  |  |  |  | 1,435 | 1,630 | 1,860
Income (Loss) from operations |  |  |  |  |  |  |  |  |  |  |  |  | (30,777) | (17,419) | (16,363)
Corporate and Eliminations | External Customers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Net Sales |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Corporate and Eliminations | Intersegment Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Net Sales |  |  |  |  |  |  |  |  |  |  |  |  | $ (77,203) | $ (87,167) | $ (86,909)

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