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Income Taxes Income Taxes (Valuation Allowance for Deferred Tax Asset) (Details) - Valuation Allowance of Deferred Tax Assets - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Jan. 02, 2016 | Jan. 03, 2015 | Dec. 28, 2013
Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Balance at beginning of period | $ 4,159 | $ 3,978 | $ 3,413 | $ 1,579
Charged to expenses | 231 | 565 | 2,474 |
Adjustments to balance sheet | (50) | 0 | (640) |
Balance at end of period | $ 4,159 | $ 3,978 | $ 3,413 |

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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Definition Amount of increase in the allowances and reserves, which consist of the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs, from charges to costs and expenses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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