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Warranties (Tables) | 6 Months Ended
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Jun. 29, 2013
Product Warranties Disclosures [Abstract] |
Components of the warranty accrual | Components of the warranty accrual, which were included in the accompanying condensed consolidated balance sheets with other current liabilities, were as follows (in thousands):
| Three Months Ended |  | Six Months Ended
| June 29, 2013 |  | June 30, 2012 |  | June 29, 2013 |  | June 30, 2012
Balance as of beginning of period | $ | 3,655 |  |  | $ | 4,923 |  |  | $ | 4,203 |  |  | $ | 4,797 |
Accruals for warranties issued during period | 701 |  |  | 1,192 |  |  | 1,124 |  |  | 2,664 |
Aggregate changes in liabilities related to preexisting warranties | 386 |  |  | 548 |  |  | 603 |  |  | 1,158 |
Settlements during the period | (1,223 | ) |  | (1,720 | ) |  | (2,411 | ) |  | (3,676 | )
Balance as of end of period | $ | 3,519 |  |  | $ | 4,943 |  |  | $ | 3,519 |  |  | $ | 4,943 |

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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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