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Schedule II-Valuation and Qualifying Accounts | 12 Months Ended
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Sep. 28, 2013
Valuation and Qualifying Accounts [Abstract] |
Schedule II-Valuation and Qualifying Accounts | KULICKE AND SOFFA INDUSTRIES, INC. Schedule II-Valuation and Qualifying Accounts
Fiscal 2013: | Beginning of period |  | Charged to Costs and Expenses |  | Other Additions |  | Other Deductions |  | End of period
Allowance for doubtful accounts | $ | 937 |  |  | $ | (371 | ) |  | $ | — |  |  | $ | (62 | ) | (1) | $ | 504 |
Inventory reserve | $ | 18,617 |  |  | $ | 3,561 |  |  | $ | — |  |  | $ | (8,058 | ) | (2) | $ | 14,120 |
Valuation allowance for deferred taxes | $ | 25,015 |  |  | $ | 1,429 |  | (3) | $ | — |  |  | $ | — |  |  | $ | 26,444 |
Fiscal 2012: |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts | $ | 2,194 |  |  | $ | (1,239 | ) |  | $ | — |  |  | $ | (18 | ) | (1) | $ | 937 |
Inventory reserve | $ | 15,099 |  |  | $ | 6,060 |  |  | $ | — |  |  | $ | (2,542 | ) | (2) | $ | 18,617 |
Valuation allowance for deferred taxes | $ | 23,777 |  |  | $ | 1,261 |  |  | $ | — |  |  | $ | (23 | ) |  | $ | 25,015 |
Fiscal 2011: |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts | $ | 980 |  |  | $ | 1,219 |  |  | $ | — |  |  | $ | (5 | ) | (1) | $ | 2,194 |
Inventory reserve | $ | 10,140 |  |  | $ | 6,701 |  |  | $ | — |  |  | $ | (1,742 | ) | (2) | $ | 15,099 |
Valuation allowance for deferred taxes | $ | 27,856 |  |  | $ | (1,980 | ) | (3) | $ | (2,099 | ) | (4) | — |  |  | $ | 23,777 |
(1) | Represents write-offs of specific accounts receivable.
(2) | Sale or scrap of previously reserved inventory.
(3) | Reflects increase/decrease in the valuation allowance primarily associated with the Company's U.S. and foreign net operating losses and other deferred tax assets.
(4) | Release of valuation allowance related to prior stock option exercises recorded to additional paid in capital.

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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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