| Quarterly Financial Information [Text Block] |
Quarterly Financial Data (Unaudited)
Summarized unaudited quarterly financial results for 2011 and 2010 follows: | | | | | | | | | | | | | | | | | | 2011 Quarter | | First | | Second | | Third | | Fourth | | | (in thousands, except per share amounts) | Net sales | | $ | 467,377 |
| | $ | 446,041 |
| | $ | 486,784 |
| | $ | 673,153 |
| Gross profit | | $ | 178,314 |
| | $ | 149,832 |
| | $ | 175,968 |
| | $ | 250,347 |
| Net income | | $ | 35,013 |
| | $ | 12,620 |
| | $ | 32,670 |
| | $ | 60,394 |
| Earnings per basic share | | $ | 0.40 |
| | $ | 0.14 |
| | $ | 0.37 |
| | $ | 0.68 |
| Earnings per diluted share | | $ | 0.39 |
| | $ | 0.14 |
| | $ | 0.37 |
| | $ | 0.68 |
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| | | | | | | | | | | | | | | | | | 2010 Quarter | | First | | Second | | Third | | Fourth | | | (in thousands, except per share amounts) | Net sales | | $ | 426,462 |
| | $ | 407,277 |
| | $ | 450,577 |
| | $ | 621,498 |
| Gross profit | | $ | 157,206 |
| | $ | 130,017 |
| | $ | 164,323 |
| | $ | 226,778 |
| Net income | | $ | 30,561 |
| | $ | 22,114 |
| | $ | 26,301 |
| | $ | 48,412 |
| Earnings basic share | | $ | 0.40 |
| | $ | 0.25 |
| | $ | 0.30 |
| | $ | 0.55 |
| Earnings per diluted share | | $ | 0.39 |
| | $ | 0.25 |
| | $ | 0.30 |
| | $ | 0.55 |
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