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v3.8.0.1

Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Sales |  |  |
Sales | $ 4,431,991 | $ 3,911,215 | $ 3,633,415
Costs and expenses |  |  |
Materials, labor, and other operating expenses (excluding depreciation) | 3,819,659 | 3,398,433 | 3,153,520
Depreciation and amortization | 80,379 | 72,847 | 55,578
Selling and distribution expenses | 327,355 | 300,797 | 273,308
General and administrative expenses | 63,068 | 60,585 | 49,425
Other (income) expense, net | 377 | (1,025) | (1,605)
Total costs and expenses | 4,290,838 | 3,831,637 | 3,530,226
Income from operations | 141,153 | 79,578 | 103,189
Foreign currency exchange gain (loss) | 720 | 119 | (298)
Interest expense | (25,370) | (26,692) | (22,532)
Interest income | 547 | 390 | 323
Change in fair value of interest rate swaps | 538 | 4,210 | 0
Loss on extinguishment of debt | 0 | (14,304) | 0
Total nonoperating income (expense) | (23,565) | (36,277) | (22,507)
Income before income taxes | 117,588 | 43,301 | 80,682
Income tax provision | (34,631) | (5,047) | (28,500)
Net Income | $ 82,957 | $ 38,254 | $ 52,182
Weighted average common shares outstanding: |  |  |
Basic | 38,623 | 38,761 | 39,239
Diluted | 39,074 | 38,925 | 39,355
Net income per common share: |  |  |
Basic | $ 2.15 | $ 0.99 | $ 1.33
Diluted | $ 2.12 | $ 0.98 | $ 1.33

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