Summary of selected quarterly financial data |
The following tables summarize selected quarterly financial data for the years ended December 31, 2018 and 2017: | | | | | | | | | | | | | | | | | | | | | | | | 2018 | (Thousands except per share amounts) | | First Quarter | | Second Quarter | | Third Quarter | | Fourth Quarter | | Total | Net sales | | $ | 303,467 |
| | $ | 309,085 |
| | $ | 297,193 |
| | $ | 298,070 |
| | $ | 1,207,815 |
| Gross margin | | 58,280 |
| | 61,838 |
| | 64,935 |
| | 66,052 |
| | 251,105 |
| Percent of net sales | | 19.2 | % | | 20.0 | % | | 21.8 | % | | 22.2 | % | | 20.8 | % | Net income (loss) | | $ | 10,564 |
| | $ | 11,144 |
| | $ | 19,966 |
| | $ | (20,828 | ) | | $ | 20,846 |
| Net income (loss) per share of common stock: | | | | | | | | | | | Basic(1) | | $ | 0.52 |
| | $ | 0.55 |
| | $ | 0.99 |
| | $ | (1.03 | ) | | $ | 1.03 |
| Diluted(1)(3) | | 0.51 |
| | 0.54 |
| | 0.97 |
| | (1.03 | ) | | 1.01 |
| | | | | | | | | | | | | | 2017 | | | First Quarter | | Second Quarter | | Third Quarter | | Fourth Quarter | | Total | Net sales | | $ | 240,669 |
| | $ | 295,842 |
| | $ | 294,268 |
| | $ | 308,668 |
| | $ | 1,139,447 |
| Gross margin | | 43,156 |
| | 54,895 |
| | 55,793 |
| | 58,985 |
| | 212,829 |
| Percent of net sales | | 17.9 | % | | 18.6 | % | | 19.0 | % | | 19.1 | % | | 18.7 | % | Net income (loss) | | $ | 3,050 |
| | $ | 7,313 |
| | $ | 9,320 |
| | $ | (8,232 | ) | | $ | 11,451 |
| Net income (loss) per share of common stock: | | | | | | | | | | | Basic(2) | | $ | 0.15 |
| | $ | 0.37 |
| | $ | 0.47 |
| | $ | (0.41 | ) | | $ | 0.57 |
| Diluted(2)(3) | | 0.15 |
| | 0.36 |
| | 0.46 |
| | (0.41 | ) | | 0.56 |
|
|