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Schedule II - Valuation and Qualifying Accounts [Schedule] | 12 Months Ended
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Dec. 31, 2012
Valuation and Qualifying Accounts [Abstract] |
Schedule II - Valuation and Qualifying Accounts | Schedule II -Valuation and Qualifying Accounts The roll forward of valuation accounts were as follows:
| (Dollars in thousands)
Description | Balance at Beginning of Period |  | Charged to Costs and Expenses |  | Deductions |  | Balance at End of Period
Allowance for doubtful accounts: |  |  |  |  |  |  |
Year ended December 31, 2012 | $ | 1,912 |  |  | $ | 1,556 |  |  | $ | (1,781 | ) | (1) | $ | 1,687 |
Year ended December 31, 2011 | 1,085 |  |  | 1,500 |  |  | (673) |  | (1) | 1,912 |
Year ended December 31, 2010 | 882 |  |  | 883 |  |  | (680) |  | (1) | 1,085 |
Allowance for excess and obsolete inventory: |  |  |  |  |  |  |
Year ended December 31, 2012 | $ | 5,046 |  |  | $ | 4,246 |  |  | $ | (746 | ) | (2) | $ | 8,546 |
Year ended December 31, 2011 | 4,711 |  |  | 1,103 |  |  | (768) |  | (2) | 5,046 |
Year ended December 31, 2010 | 4,748 |  |  | 110 |  |  | (147) |  | (2) | 4,711 |
Valuation allowance for deferred tax assets: |  |  |  |  |  |  |
Year ended December 31, 2012 | $ | 938 |  |  | $ | 33,340 |  |  | $ | — |  |  | $ | 34,278 |
Year ended December 31, 2011 | 875 |  |  | 63 |  |  | — |  |  | 938 |
Year ended December 31, 2010 | 1,744 |  |  | — |  |  | (869) |  | (3) | 875 |
(1) | Uncollected receivables written off, net of recoveries and translation adjustment.
(2) | Disposal of excess and obsolete inventory and translation adjustment.
(3) | Capital loss carryforward written off.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
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