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Trade Accounts Receivable, Net | 9 Months Ended
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Sep. 30, 2013
Trade Accounts Receivable, Net |
Trade Accounts Receivable, Net | 2. Trade Accounts Receivable, Net Trade accounts receivable consisted of the following:
|  | At September 30, |  | At December 31, |
(in thousands) |  | 2013 |  | 2012 |  | 2012 |
Trade accounts receivable |  | $ | 122,328 |  | $ | 111,726 |  | $ | 85,732 |
Allowance for doubtful accounts |  | (1,384 | ) | (1,514 | ) | (1,288 | )
Allowance for sales discounts and returns |  | (2,049 | ) | (1,787 | ) | (1,632 | )
|  | $ | 118,895 |  | $ | 108,425 |  | $ | 82,812 |

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