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Accounts Receivable (Tables) | 12 Months Ended
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Dec. 31, 2013
Receivables [Abstract] |
Accounts Receivable, Net of Allowances | Accounts receivable, net of allowances, consisted of the following (in thousands):
| December 31,
| 2013 |  | 2012
Accounts receivable | $ | 83,266 |  |  | $ | 95,515 |
Less: allowance for doubtful accounts and sales returns | (8,214 | ) |  | (9,595 | )
| $ | 75,052 |  |  | $ | 85,920 |
Summary of Activity in Allowances for Doubtful Accounts, Returns and Discounts | The following is a summary of activity in allowances for doubtful accounts and sales returns for the three years ended December 31, 2013, 2012 and 2011 (in thousands):
| Balance at Beginning of Period |  | Charges to Revenue |  | Charges (Credits) to Expense |  | Additions to (Deductions from) Reserves |  | Balance at End of Period
Year ended December 31, |  |  |  |  |  |  |  |  |
2013 | $ | 9,595 |  |  | $ | 537 |  |  | $ | 423 |  |  | $ | (2,341 | ) |  | $ | 8,214 |
2012 | $ | 8,252 |  |  | $ | 3,141 |  |  | $ | 461 |  |  | $ | (2,259 | ) |  | $ | 9,595 |
2011 | $ | 5,897 |  |  | $ | 2,620 |  |  | $ | 615 |  |  | $ | (880 | ) |  | $ | 8,252 |

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- Definition Receivables trade and other accounts receivable allowance for doubtful accounts returns and discounts. + References No definition available. + Details
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- Definition Summary of activity in allowances for doubtful accounts, returns and discounts. + References No definition available. + Details
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- Details
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